189857530024 has 32 divisors (see below), whose sum is σ = 365767295040. Its totient is φ = 92333577600.

The previous prime is 189857529997. The next prime is 189857530063. The reversal of 189857530024 is 420035758981.

It is a happy number.

It is a super-2 number, since 2×189857530024² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

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, 765804 + ... + 982939.

It is an arithmetic number, because the mean of its divisors is an integer number (11430227970).

Almost surely, 2^189857530024 is an apocalyptic number.

It is an amenable number.

189857530024 is a deficient number, since it is larger than the sum of its proper divisors (175909765016).

189857530024 is a wasteful number, since it uses less digits than its factorization.

189857530024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749121 (or 1749117 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 189857530024 in words is "one hundred eighty-nine billion, eight hundred fifty-seven million, five hundred thirty thousand, twenty-four".