810140612 has 12 divisors (see below), whose sum is σ = 1418056080. Its totient is φ = 404981736.

The previous prime is 810140603. The next prime is 810140651. The reversal of 810140612 is 216041018.

It is a super-2 number, since 2×810140612² = 1312655622423469088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1163 + ... + 40269.

It is an arithmetic number, because the mean of its divisors is an integer number (118171340).

Almost surely, 2^810140612 is an apocalyptic number.

It is an amenable number.

810140612 is a deficient number, since it is larger than the sum of its proper divisors (607915468).

810140612 is a wasteful number, since it uses less digits than its factorization.

810140612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44290 (or 44288 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 810140612 is about 28462.9691353520. The cubic root of 810140612 is about 932.2236886871.

The spelling of 810140612 in words is "eight hundred ten million, one hundred forty thousand, six hundred twelve".