80456636934 has 40 divisors (see below), whose sum is σ = 180447204168. Its totient is φ = 26794372320.

The previous prime is 80456636917. The next prime is 80456636957. The reversal of 80456636934 is 43963665408.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 48652 + ... + 404079.

Almost surely, 2^80456636934 is an apocalyptic number.

80456636934 is an abundant number, since it is smaller than the sum of its proper divisors (99990567234).

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

80456636934 is a wasteful number, since it uses less digits than its factorization.

80456636934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453842 (or 453833 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 80456636934 in words is "eighty billion, four hundred fifty-six million, six hundred thirty-six thousand, nine hundred thirty-four".