80440376 has 16 divisors (see below), whose sum is σ = 158764200. Its totient is φ = 38103264.

The previous prime is 80440343. The next prime is 80440397. The reversal of 80440376 is 67304408.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 264455 + ... + 264758.

Almost surely, 2^80440376 is an apocalyptic number.

It is an amenable number.

80440376 is a deficient number, since it is larger than the sum of its proper divisors (78323824).

80440376 is a wasteful number, since it uses less digits than its factorization.

80440376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529238 (or 529234 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 80440376 is about 8968.8558913609. The cubic root of 80440376 is about 431.6761261342.

The spelling of 80440376 in words is "eighty million, four hundred forty thousand, three hundred seventy-six".