56420626782 has 32 divisors (see below), whose sum is σ = 121847207328. Its totient is φ = 17313641856.

The previous prime is 56420626777. The next prime is 56420626793. The reversal of 56420626782 is 28762602465.

It is a congruent number.

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, 940533 + ... + 998720.

It is an arithmetic number, because the mean of its divisors is an integer number (3807725229).

Almost surely, 2^56420626782 is an apocalyptic number.

56420626782 is an abundant number, since it is smaller than the sum of its proper divisors (65426580546).

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

56420626782 is a wasteful number, since it uses less digits than its factorization.

56420626782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939644.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 56420626782 in words is "fifty-six billion, four hundred twenty million, six hundred twenty-six thousand, seven hundred eighty-two".