440234462256 has 80 divisors (see below), whose sum is σ = 1153081852800. Its totient is φ = 144705692160.

The previous prime is 440234462249. The next prime is 440234462287. The reversal of 440234462256 is 652264432044.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24164991 + ... + 24183201.

It is an arithmetic number, because the mean of its divisors is an integer number (14413523160).

Almost surely, 2^440234462256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440234462256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576540926400).

440234462256 is an abundant number, since it is smaller than the sum of its proper divisors (712847390544).

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

440234462256 is a wasteful number, since it uses less digits than its factorization.

440234462256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25194 (or 25188 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 42.

The spelling of 440234462256 in words is "four hundred forty billion, two hundred thirty-four million, four hundred sixty-two thousand, two hundred fifty-six".