80504940 has 48 divisors (see below), whose sum is σ = 226517760. Its totient is φ = 21362880.

The previous prime is 80504939. The next prime is 80504951. The reversal of 80504940 is 4940508.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 80504898 and 80504907.

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, 9481 + ... + 15839.

It is an arithmetic number, because the mean of its divisors is an integer number (4719120).

Almost surely, 2^80504940 is an apocalyptic number.

It is an amenable number.

80504940 is an abundant number, since it is smaller than the sum of its proper divisors (146012820).

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

80504940 is a wasteful number, since it uses less digits than its factorization.

80504940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6582 (or 6580 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 80504940 is about 8972.4545136768. The cubic root of 80504940 is about 431.7915875706.

The spelling of 80504940 in words is "eighty million, five hundred four thousand, nine hundred forty".