80139564330 has 64 divisors (see below), whose sum is σ = 219845041920. Its totient is φ = 18314809344.

The previous prime is 80139564319. The next prime is 80139564331. The reversal of 80139564330 is 3346593108.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (80139564331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1547212 + ... + 1598168.

It is an arithmetic number, because the mean of its divisors is an integer number (3435078780).

Almost surely, 2^80139564330 is an apocalyptic number.

80139564330 is an abundant number, since it is smaller than the sum of its proper divisors (139705477590).

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

80139564330 is a wasteful number, since it uses less digits than its factorization.

80139564330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58463.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 80139564330 in words is "eighty billion, one hundred thirty-nine million, five hundred sixty-four thousand, three hundred thirty".