190461715272 has 24 divisors (see below), whose sum is σ = 515833812390. Its totient is φ = 63487238400.

The previous prime is 190461715163. The next prime is 190461715273. The reversal of 190461715272 is 272517164091.

190461715272 is a `hidden beast` number, since 1 + 9 + 0 + 4 + 617 + 1 + 5 + 27 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 154265130756 + 36196584516 = 392766^2 + 190254^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (190461715273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1322650729 + ... + 1322650872.

Almost surely, 2^190461715272 is an apocalyptic number.

190461715272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

190461715272 is an abundant number, since it is smaller than the sum of its proper divisors (325372097118).

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

190461715272 is a wasteful number, since it uses less digits than its factorization.

190461715272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645301613 (or 2645301606 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 190461715272 in words is "one hundred ninety billion, four hundred sixty-one million, seven hundred fifteen thousand, two hundred seventy-two".