56001000444 has 72 divisors (see below), whose sum is σ = 138390591360. Its totient is φ = 17576635104.

The previous prime is 56001000437. The next prime is 56001000469. The reversal of 56001000444 is 44400010065.

It is a super-2 number, since 2×56001000444² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6354289 + ... + 6363095.

Almost surely, 2^56001000444 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 56001000444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69195295680).

56001000444 is an abundant number, since it is smaller than the sum of its proper divisors (82389590916).

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

56001000444 is a wasteful number, since it uses less digits than its factorization.

56001000444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9167 (or 8998 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The spelling of 56001000444 in words is "fifty-six billion, one million, four hundred forty-four", and thus it is an aban number.