Search a number
-
+
440052480 = 28335717107
BaseRepresentation
bin11010001110101…
…010101100000000
31010200000222112000
4122032222230000
51400123134410
6111355504000
713622245560
oct3216525400
91120028460
10440052480
11206441a3a
12103458000
1370225caa
144262cda0
1528975dc0
hex1a3aab00

440052480 has 576 divisors, whose sum is σ = 1907297280. Its totient is φ = 93782016.

The previous prime is 440052479. The next prime is 440052517. The reversal of 440052480 is 84250044.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4112587 + ... + 4112693.

It is an arithmetic number, because the mean of its divisors is an integer number (3311280).

Almost surely, 2440052480 is an apocalyptic number.

440052480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440052480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (953648640).

440052480 is an abundant number, since it is smaller than the sum of its proper divisors (1467244800).

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

440052480 is a wasteful number, since it uses less digits than its factorization.

440052480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 440052480 is about 20977.4278690215. The cubic root of 440052480 is about 760.6207301842.

The spelling of 440052480 in words is "four hundred forty million, fifty-two thousand, four hundred eighty".