189512280244 has 36 divisors (see below), whose sum is σ = 385873907076. Its totient is φ = 81202485504.

The previous prime is 189512280227. The next prime is 189512280263. The reversal of 189512280244 is 442082215981.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 70495560100 + 119016720144 = 265510^2 + 344988^2 .

It is a junction number, because it is equal to n+sod(n) for n = 189512280194 and 189512280203.

It is a congruent number.

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, 856764 + ... + 1055020.

It is an arithmetic number, because the mean of its divisors is an integer number (10718719641).

Almost surely, 2^189512280244 is an apocalyptic number.

189512280244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

189512280244 is an abundant number, since it is smaller than the sum of its proper divisors (196361626832).

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

189512280244 is a wasteful number, since it uses less digits than its factorization.

189512280244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203152 (or 203143 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 189512280244 in words is "one hundred eighty-nine billion, five hundred twelve million, two hundred eighty thousand, two hundred forty-four".