1040797872 has 60 divisors (see below), whose sum is σ = 2915672760. Its totient is φ = 346589184.

The previous prime is 1040797859. The next prime is 1040797883. The reversal of 1040797872 is 2787970401.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172279 + ... + 178217.

It is an arithmetic number, because the mean of its divisors is an integer number (48594546).

Almost surely, 2^1040797872 is an apocalyptic number.

1040797872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1040797872 is an abundant number, since it is smaller than the sum of its proper divisors (1874874888).

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

1040797872 is a wasteful number, since it uses less digits than its factorization.

1040797872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7170 (or 7161 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 45.

The square root of 1040797872 is about 32261.3991017129. The cubic root of 1040797872 is about 1013.4184310268.

The spelling of 1040797872 in words is "one billion, forty million, seven hundred ninety-seven thousand, eight hundred seventy-two".