80440676 has 6 divisors (see below), whose sum is σ = 140771190. Its totient is φ = 40220336.

The previous prime is 80440673. The next prime is 80440747. The reversal of 80440676 is 67604408.

It can be written as a sum of positive squares in only one way, i.e., 77018176 + 3422500 = 8776^2 + 1850^2 .

It is not an unprimeable number, because it can be changed into a prime (80440673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055081 + ... + 10055088.

It is an arithmetic number, because the mean of its divisors is an integer number (23461865).

Almost surely, 2^80440676 is an apocalyptic number.

It is an amenable number.

80440676 is a deficient number, since it is larger than the sum of its proper divisors (60330514).

80440676 is a wasteful number, since it uses less digits than its factorization.

80440676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20110173 (or 20110171 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 80440676 is about 8968.8726158866. The cubic root of 80440676 is about 431.6766627746.

The spelling of 80440676 in words is "eighty million, four hundred forty thousand, six hundred seventy-six".