80040684 has 24 divisors (see below), whose sum is σ = 186941440. Its totient is φ = 26654544.

The previous prime is 80040683. The next prime is 80040689. The reversal of 80040684 is 48604008.

It is a super-2 number, since 2×80040684² = 12813022190375712, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (80040683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13077 + ... + 18195.

Almost surely, 2^80040684 is an apocalyptic number.

It is an amenable number.

80040684 is an abundant number, since it is smaller than the sum of its proper divisors (106900756).

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

80040684 is a wasteful number, since it uses less digits than its factorization.

80040684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6429 (or 6427 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 80040684 is about 8946.5459256632. The cubic root of 80040684 is about 430.9599681454.

The spelling of 80040684 in words is "eighty million, forty thousand, six hundred eighty-four".