80494440 has 64 divisors (see below), whose sum is σ = 260064000. Its totient is φ = 19813632.

The previous prime is 80494423. The next prime is 80494451. The reversal of 80494440 is 4449408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24240 + ... + 27359.

It is an arithmetic number, because the mean of its divisors is an integer number (4063500).

Almost surely, 2^80494440 is an apocalyptic number.

It is an amenable number.

80494440 is an abundant number, since it is smaller than the sum of its proper divisors (179569560).

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

80494440 is a wasteful number, since it uses less digits than its factorization.

80494440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51626 (or 51622 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 80494440 is about 8971.8693704267. The cubic root of 80494440 is about 431.7728143591.

The spelling of 80494440 in words is "eighty million, four hundred ninety-four thousand, four hundred forty".