56128000440 has 32 divisors (see below), whose sum is σ = 168384001680. Its totient is φ = 14967466752.

The previous prime is 56128000433. The next prime is 56128000463. The reversal of 56128000440 is 4400082165.

56128000440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 56128000398 and 56128000407.

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, 233866549 + ... + 233866788.

Almost surely, 2^56128000440 is an apocalyptic number.

It is an amenable number.

56128000440 is an abundant number, since it is smaller than the sum of its proper divisors (112256001240).

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

56128000440 is a wasteful number, since it uses less digits than its factorization.

56128000440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467733351 (or 467733347 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 56128000440 in words is "fifty-six billion, one hundred twenty-eight million, four hundred forty", and thus it is an aban number.