815018468 has 12 divisors (see below), whose sum is σ = 1555944432. Its totient is φ = 370462920.

The previous prime is 815018467. The next prime is 815018521. The reversal of 815018468 is 864810518.

It is not an unprimeable number, because it can be changed into a prime (815018467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9261530 + ... + 9261617.

It is an arithmetic number, because the mean of its divisors is an integer number (129662036).

Almost surely, 2^815018468 is an apocalyptic number.

It is an amenable number.

815018468 is a deficient number, since it is larger than the sum of its proper divisors (740925964).

815018468 is a wasteful number, since it uses less digits than its factorization.

815018468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18523162 (or 18523160 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 41.

The square root of 815018468 is about 28548.5282983204. The cubic root of 815018468 is about 934.0909188593.

The spelling of 815018468 in words is "eight hundred fifteen million, eighteen thousand, four hundred sixty-eight".