189323262720 has 108 divisors (see below), whose sum is σ = 655038807696. Its totient is φ = 50486200320.

The previous prime is 189323262707. The next prime is 189323262781. The reversal of 189323262720 is 27262323981.

189323262720 is a `hidden beast` number, since 18 + 9 + 3 + 2 + 3 + 2 + 627 + 2 + 0 = 666.

It is a super-2 number, since 2×189323262720² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8205636 + ... + 8228675.

Almost surely, 2^189323262720 is an apocalyptic number.

189323262720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189323262720 is an abundant number, since it is smaller than the sum of its proper divisors (465715544976).

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

189323262720 is a wasteful number, since it uses less digits than its factorization.

189323262720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16434338 (or 16434321 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 189323262720 in words is "one hundred eighty-nine billion, three hundred twenty-three million, two hundred sixty-two thousand, seven hundred twenty".