18674831424 has 56 divisors (see below), whose sum is σ = 49425990048. Its totient is φ = 6222991360.

The previous prime is 18674831419. The next prime is 18674831431. The reversal of 18674831424 is 42413847681.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681019 + ... + 707909.

Almost surely, 2^18674831424 is an apocalyptic number.

It is an amenable number.

18674831424 is an abundant number, since it is smaller than the sum of its proper divisors (30751158624).

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

18674831424 is a wasteful number, since it uses less digits than its factorization.

18674831424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30523 (or 30513 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 48.

The spelling of 18674831424 in words is "eighteen billion, six hundred seventy-four million, eight hundred thirty-one thousand, four hundred twenty-four".