18942955524 has 36 divisors (see below), whose sum is σ = 47896728880. Its totient is φ = 6312584880.

The previous prime is 18942955519. The next prime is 18942955531. The reversal of 18942955524 is 42555924981.

18942955524 is a `hidden beast` number, since 1 + 8 + 94 + 29 + 5 + 5 + 524 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×18942955524² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64239 + ... + 204969.

Almost surely, 2^18942955524 is an apocalyptic number.

It is an amenable number.

18942955524 is an abundant number, since it is smaller than the sum of its proper divisors (28953773356).

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

18942955524 is a wasteful number, since it uses less digits than its factorization.

18942955524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144480 (or 144475 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 54.

The spelling of 18942955524 in words is "eighteen billion, nine hundred forty-two million, nine hundred fifty-five thousand, five hundred twenty-four".