189539240296 has 16 divisors (see below), whose sum is σ = 406155515040. Its totient is φ = 81231102960.

The previous prime is 189539240279. The next prime is 189539240299. The reversal of 189539240296 is 692042935981.

It is a super-2 number, since 2×189539240296² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 189539240296.

It is not an unprimeable number, because it can be changed into a prime (189539240299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692314590 + ... + 1692314701.

It is an arithmetic number, because the mean of its divisors is an integer number (25384719690).

Almost surely, 2^189539240296 is an apocalyptic number.

It is an amenable number.

189539240296 is an abundant number, since it is smaller than the sum of its proper divisors (216616274744).

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

189539240296 is a wasteful number, since it uses less digits than its factorization.

189539240296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384629304 (or 3384629300 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 58.

The spelling of 189539240296 in words is "one hundred eighty-nine billion, five hundred thirty-nine million, two hundred forty thousand, two hundred ninety-six".