1816255464 has 16 divisors (see below), whose sum is σ = 4540638720. Its totient is φ = 605418480.

The previous prime is 1816255439. The next prime is 1816255477. The reversal of 1816255464 is 4645526181.

1816255464 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 37838632 + ... + 37838679.

It is an arithmetic number, because the mean of its divisors is an integer number (283789920).

Almost surely, 2^1816255464 is an apocalyptic number.

It is an amenable number.

1816255464 is an abundant number, since it is smaller than the sum of its proper divisors (2724383256).

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

1816255464 is a wasteful number, since it uses less digits than its factorization.

1816255464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75677320 (or 75677316 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 1816255464 is about 42617.5487798160. The cubic root of 1816255464 is about 1220.0912464226.

The spelling of 1816255464 in words is "one billion, eight hundred sixteen million, two hundred fifty-five thousand, four hundred sixty-four".