189004524240 has 80 divisors (see below), whose sum is σ = 669616034688. Its totient is φ = 43201033728.

The previous prime is 189004524173. The next prime is 189004524311. The reversal of 189004524240 is 42425400981.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56249667 + ... + 56253026.

Almost surely, 2^189004524240 is an apocalyptic number.

189004524240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189004524240 is an abundant number, since it is smaller than the sum of its proper divisors (480611510448).

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

189004524240 is a wasteful number, since it uses less digits than its factorization.

189004524240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112502716 (or 112502710 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 189004524240 in words is "one hundred eighty-nine billion, four million, five hundred twenty-four thousand, two hundred forty".