56486689290 has 48 divisors (see below), whose sum is σ = 147603456000. Its totient is φ = 14987418336.

The previous prime is 56486689247. The next prime is 56486689313. The reversal of 56486689290 is 9298668465.

56486689290 is a `hidden beast` number, since 5 + 6 + 486 + 68 + 9 + 2 + 90 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1559050 + ... + 1594869.

It is an arithmetic number, because the mean of its divisors is an integer number (3075072000).

Almost surely, 2^56486689290 is an apocalyptic number.

56486689290 is an abundant number, since it is smaller than the sum of its proper divisors (91116766710).

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

56486689290 is a wasteful number, since it uses less digits than its factorization.

56486689290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3154131 (or 3154128 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 56486689290 in words is "fifty-six billion, four hundred eighty-six million, six hundred eighty-nine thousand, two hundred ninety".