18294089532 has 48 divisors (see below), whose sum is σ = 42819259392. Its totient is φ = 6079057600.

The previous prime is 18294089501. The next prime is 18294089563. The reversal of 18294089532 is 23598049281.

It is an interprime number because it is at equal distance from previous prime (18294089501) and next prime (18294089563).

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, 6248653 + ... + 6251579.

It is an arithmetic number, because the mean of its divisors is an integer number (892067904).

Almost surely, 2^18294089532 is an apocalyptic number.

18294089532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18294089532 is an abundant number, since it is smaller than the sum of its proper divisors (24525169860).

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

18294089532 is a wasteful number, since it uses less digits than its factorization.

18294089532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4378 (or 4376 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 18294089532 in words is "eighteen billion, two hundred ninety-four million, eighty-nine thousand, five hundred thirty-two".