56144005040 has 40 divisors (see below), whose sum is σ = 130602081408. Its totient is φ = 22446028800.

The previous prime is 56144005039. The next prime is 56144005051. The reversal of 56144005040 is 4050044165.

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

It is a junction number, because it is equal to n+sod(n) for n = 56144004994 and 56144005012.

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, 23777 + ... + 335936.

Almost surely, 2^56144005040 is an apocalyptic number.

It is an amenable number.

56144005040 is an abundant number, since it is smaller than the sum of its proper divisors (74458076368).

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

56144005040 is a wasteful number, since it uses less digits than its factorization.

56144005040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361677 (or 361671 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 56144005040 in words is "fifty-six billion, one hundred forty-four million, five thousand, forty".