18867348030 has 32 divisors (see below), whose sum is σ = 46742335488. Its totient is φ = 4868992800.

The previous prime is 18867348029. The next prime is 18867348043. The reversal of 18867348030 is 3084376881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10142806 + ... + 10144665.

It is an arithmetic number, because the mean of its divisors is an integer number (1460697984).

Almost surely, 2^18867348030 is an apocalyptic number.

18867348030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18867348030 is an abundant number, since it is smaller than the sum of its proper divisors (27874987458).

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

18867348030 is a wasteful number, since it uses less digits than its factorization.

18867348030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20287512.

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 18867348030 in words is "eighteen billion, eight hundred sixty-seven million, three hundred forty-eight thousand, thirty".