56420574240 has 48 divisors (see below), whose sum is σ = 177724810368. Its totient is φ = 15045486336.

The previous prime is 56420574227. The next prime is 56420574257. The reversal of 56420574240 is 4247502465.

It is a tau number, because it is divible by the number of its divisors (48).

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, 58770952 + ... + 58771911.

It is an arithmetic number, because the mean of its divisors is an integer number (3702600216).

Almost surely, 2^56420574240 is an apocalyptic number.

It is an amenable number.

56420574240 is an abundant number, since it is smaller than the sum of its proper divisors (121304236128).

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

56420574240 is a wasteful number, since it uses less digits than its factorization.

56420574240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117542881 (or 117542873 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 39.

The spelling of 56420574240 in words is "fifty-six billion, four hundred twenty million, five hundred seventy-four thousand, two hundred forty".