18190428424 has 32 divisors (see below), whose sum is σ = 39808846080. Its totient is φ = 7630026624.

The previous prime is 18190428419. The next prime is 18190428463. The reversal of 18190428424 is 42482409181.

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, 3452997 + ... + 3458260.

It is an arithmetic number, because the mean of its divisors is an integer number (1244026440).

Almost surely, 2^18190428424 is an apocalyptic number.

18190428424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18190428424 is an abundant number, since it is smaller than the sum of its proper divisors (21618417656).

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

18190428424 is a wasteful number, since it uses less digits than its factorization.

18190428424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6911317 (or 6911313 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The spelling of 18190428424 in words is "eighteen billion, one hundred ninety million, four hundred twenty-eight thousand, four hundred twenty-four".