189494632404 has 108 divisors (see below), whose sum is σ = 607859467488. Its totient is φ = 49219380000.

The previous prime is 189494632381. The next prime is 189494632409. The reversal of 189494632404 is 404236494981.

189494632404 is a `hidden beast` number, since 1 + 8 + 94 + 94 + 63 + 2 + 404 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189494632409) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4863472 + ... + 4902279.

Almost surely, 2^189494632404 is an apocalyptic number.

189494632404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

189494632404 is an abundant number, since it is smaller than the sum of its proper divisors (418364835084).

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

189494632404 is a wasteful number, since it uses less digits than its factorization.

189494632404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9765786 (or 9765774 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 189494632404 in words is "one hundred eighty-nine billion, four hundred ninety-four million, six hundred thirty-two thousand, four hundred four".