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444044220240 = 24351850184251
BaseRepresentation
bin1100111011000110001…
…10010001011101010000
31120110011012112120201010
412131203012101131100
524233400310021430
6535554024410520
744036554411245
oct6354306213520
91513135476633
10444044220240
11161355427a15
1272085616a40
1332b47525a1a
14176c59155cc
15b83d48ccb0
hex6763191750

444044220240 has 40 divisors (see below), whose sum is σ = 1376537083488. Its totient is φ = 118411792000.

The previous prime is 444044220167. The next prime is 444044220259. The reversal of 444044220240 is 42022440444.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 444044220198 and 444044220207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925091886 + ... + 925092365.

Almost surely, 2444044220240 is an apocalyptic number.

444044220240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444044220240 is an abundant number, since it is smaller than the sum of its proper divisors (932492863248).

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

444044220240 is a wasteful number, since it uses less digits than its factorization.

444044220240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850184267 (or 1850184261 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 444044220240 its reverse (42022440444), we get a palindrome (486066660684).

The spelling of 444044220240 in words is "four hundred forty-four billion, forty-four million, two hundred twenty thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 1850184251 3700368502 5550552753 7400737004 9250921255 11101105506 14801474008 18501842510 22202211012 27752763765 29602948016 37003685020 44404422024 55505527530 74007370040 88808844048 111011055060 148014740080 222022110120 444044220240