80642496 has 56 divisors (see below), whose sum is σ = 232769664. Its totient is φ = 24436480.

The previous prime is 80642491. The next prime is 80642503. The reversal of 80642496 is 69424608.

It is a super-2 number, since 2×80642496² = 13006424322220032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80642491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16980 + ... + 21203.

Almost surely, 2^80642496 is an apocalyptic number.

It is an amenable number.

80642496 is an abundant number, since it is smaller than the sum of its proper divisors (152127168).

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

80642496 is a wasteful number, since it uses less digits than its factorization.

80642496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38209 (or 38199 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 80642496 is about 8980.1167030279. The cubic root of 80642496 is about 432.0373767386.

The spelling of 80642496 in words is "eighty million, six hundred forty-two thousand, four hundred ninety-six".