189860262048 has 72 divisors (see below), whose sum is σ = 539957209428. Its totient is φ = 63281820672.

The previous prime is 189860262043. The next prime is 189860262061. The reversal of 189860262048 is 840262068981.

189860262048 is a `hidden beast` number, since 1 + 8 + 9 + 8 + 6 + 0 + 2 + 620 + 4 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 187984679184 + 1875582864 = 433572^2 + 43308^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 189860261985 and 189860262003.

It is not an unprimeable number, because it can be changed into a prime (189860262041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7099390 + ... + 7126082.

Almost surely, 2^189860262048 is an apocalyptic number.

189860262048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

189860262048 is an abundant number, since it is smaller than the sum of its proper divisors (350096947380).

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

189860262048 is a wasteful number, since it uses less digits than its factorization.

189860262048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51406 (or 51395 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 189860262048 in words is "one hundred eighty-nine billion, eight hundred sixty million, two hundred sixty-two thousand, forty-eight".