80360840 has 32 divisors (see below), whose sum is σ = 206642880. Its totient is φ = 27552192.

The previous prime is 80360837. The next prime is 80360843. The reversal of 80360840 is 4806308.

It is an interprime number because it is at equal distance from previous prime (80360837) and next prime (80360843).

It is not an unprimeable number, because it can be changed into a prime (80360843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143222 + ... + 143781.

It is an arithmetic number, because the mean of its divisors is an integer number (6457590).

Almost surely, 2^80360840 is an apocalyptic number.

It is an amenable number.

80360840 is an abundant number, since it is smaller than the sum of its proper divisors (126282040).

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

80360840 is a wasteful number, since it uses less digits than its factorization.

80360840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287021 (or 287017 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 80360840 is about 8964.4207844121. The cubic root of 80360840 is about 431.5338049259.

The spelling of 80360840 in words is "eighty million, three hundred sixty thousand, eight hundred forty".