80406276 has 24 divisors (see below), whose sum is σ = 188399904. Its totient is φ = 26689920.

The previous prime is 80406239. The next prime is 80406301. The reversal of 80406276 is 67260408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11010 + ... + 16793.

It is an arithmetic number, because the mean of its divisors is an integer number (7849996).

Almost surely, 2^80406276 is an apocalyptic number.

It is an amenable number.

80406276 is an abundant number, since it is smaller than the sum of its proper divisors (107993628).

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

80406276 is a wasteful number, since it uses less digits than its factorization.

80406276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28051 (or 28049 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 80406276 is about 8966.9546669982. The cubic root of 80406276 is about 431.6151193067.

The spelling of 80406276 in words is "eighty million, four hundred six thousand, two hundred seventy-six".