56628943340 has 48 divisors (see below), whose sum is σ = 121850797824. Its totient is φ = 22093747200.

The previous prime is 56628943339. The next prime is 56628943363. The reversal of 56628943340 is 4334982665.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6077285 + ... + 6086595.

It is an arithmetic number, because the mean of its divisors is an integer number (2538558288).

Almost surely, 2^56628943340 is an apocalyptic number.

It is an amenable number.

56628943340 is an abundant number, since it is smaller than the sum of its proper divisors (65221854484).

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

56628943340 is a wasteful number, since it uses less digits than its factorization.

56628943340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16778 (or 16776 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 50.

The spelling of 56628943340 in words is "fifty-six billion, six hundred twenty-eight million, nine hundred forty-three thousand, three hundred forty".