80604040 has 32 divisors (see below), whose sum is σ = 197847360. Its totient is φ = 29310400.

The previous prime is 80603927. The next prime is 80604049. The reversal of 80604040 is 4040608.

It is a super-2 number, since 2×80604040² = 12994022528643200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (80604049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91156 + ... + 92035.

It is an arithmetic number, because the mean of its divisors is an integer number (6182730).

Almost surely, 2^80604040 is an apocalyptic number.

It is an amenable number.

80604040 is an abundant number, since it is smaller than the sum of its proper divisors (117243320).

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

80604040 is a wasteful number, since it uses less digits than its factorization.

80604040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183213 (or 183209 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 80604040 is about 8977.9752728552. The cubic root of 80604040 is about 431.9686905750.

Adding to 80604040 its reverse (4040608), we get a palindrome (84644648).

It can be divided in two parts, 8060 and 4040, that added together give a square (12100 = 110²).

The spelling of 80604040 in words is "eighty million, six hundred four thousand, forty".