189760488634290 has 128 divisors (see below), whose sum is σ = 551728281420288. Its totient is φ = 40776087306240.

The previous prime is 189760488634231. The next prime is 189760488634291. The reversal of 189760488634290 is 92436884067981.

It is not an unprimeable number, because it can be changed into a prime (189760488634291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27021799 + ... + 33312138.

It is an arithmetic number, because the mean of its divisors is an integer number (4310377198596).

Almost surely, 2^{189760488634290} is an apocalyptic number.

189760488634290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189760488634290 is an abundant number, since it is smaller than the sum of its proper divisors (361967792785998).

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

189760488634290 is a wasteful number, since it uses less digits than its factorization.

189760488634290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60334852.

The product of its (nonzero) digits is 1003290624, while the sum is 75.

The spelling of 189760488634290 in words is "one hundred eighty-nine trillion, seven hundred sixty billion, four hundred eighty-eight million, six hundred thirty-four thousand, two hundred ninety".