80294840 has 32 divisors (see below), whose sum is σ = 188520480. Its totient is φ = 30721152.

The previous prime is 80294831. The next prime is 80294857. The reversal of 80294840 is 4849208.

It is a super-2 number, since 2×80294840² = 12894522661251200, 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 80294840.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42719 + ... + 44558.

It is an arithmetic number, because the mean of its divisors is an integer number (5891265).

Almost surely, 2^80294840 is an apocalyptic number.

It is an amenable number.

80294840 is an abundant number, since it is smaller than the sum of its proper divisors (108225640).

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

80294840 is a wasteful number, since it uses less digits than its factorization.

80294840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87311 (or 87307 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 80294840 is about 8960.7388088260. The cubic root of 80294840 is about 431.4156336381.

The spelling of 80294840 in words is "eighty million, two hundred ninety-four thousand, eight hundred forty".