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444040400400 = 24352370033667
BaseRepresentation
bin1100111011000101101…
…11101100111000010000
31120110010221100111212120
412131202313230320100
524233343320303100
6535553410454240
744036510061552
oct6354267547020
91513127314776
10444040400400
11161353259023
1272084294380
1332b467b916c
14176c51dd4d2
15b83ce860a0
hex6762dece10

444040400400 has 60 divisors (see below), whose sum is σ = 1422409419792. Its totient is φ = 118410773120.

The previous prime is 444040400357. The next prime is 444040400413. The reversal of 444040400400 is 4004040444.

444040400400 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185015634 + ... + 185018033.

Almost surely, 2444040400400 is an apocalyptic number.

444040400400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444040400400 is an abundant number, since it is smaller than the sum of its proper divisors (978369019392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444040400400 is a wasteful number, since it uses less digits than its factorization.

444040400400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370033688 (or 370033677 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 444040400400 its reverse (4004040444), we get a palindrome (448044440844).

The spelling of 444040400400 in words is "four hundred forty-four billion, forty million, four hundred thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 1200 370033667 740067334 1110101001 1480134668 1850168335 2220202002 2960269336 3700336670 4440404004 5550505005 5920538672 7400673340 8880808008 9250841675 11101010010 14801346680 17761616016 18501683350 22202020020 27752525025 29602693360 37003366700 44404040040 55505050050 74006733400 88808080080 111010100100 148013466800 222020200200 444040400400