56611320240 has 40 divisors (see below), whose sum is σ = 175495093488. Its totient is φ = 15096352000.

The previous prime is 56611320223. The next prime is 56611320253. The reversal of 56611320240 is 4202311665.

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

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 = 56611320198 and 56611320207.

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, 117940011 + ... + 117940490.

Almost surely, 2^56611320240 is an apocalyptic number.

It is an amenable number.

56611320240 is an abundant number, since it is smaller than the sum of its proper divisors (118883773248).

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

56611320240 is a wasteful number, since it uses less digits than its factorization.

56611320240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235880517 (or 235880511 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 56611320240 in words is "fifty-six billion, six hundred eleven million, three hundred twenty thousand, two hundred forty".