80440304 has 40 divisors (see below), whose sum is σ = 178545120. Its totient is φ = 34391808.

The previous prime is 80440303. The next prime is 80440307. The reversal of 80440304 is 40304408.

It is a super-2 number, since 2×80440304² = 12941285015224832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80440304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80440301) 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, 78902 + ... + 79914.

It is an arithmetic number, because the mean of its divisors is an integer number (4463628).

Almost surely, 2^80440304 is an apocalyptic number.

It is an amenable number.

80440304 is an abundant number, since it is smaller than the sum of its proper divisors (98104816).

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

80440304 is a wasteful number, since it uses less digits than its factorization.

80440304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737 (or 1731 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 80440304 is about 8968.8518774702. The cubic root of 80440304 is about 431.6759973403.

The spelling of 80440304 in words is "eighty million, four hundred forty thousand, three hundred four".