90849457272 has 64 divisors (see below), whose sum is σ = 265092664320. Its totient is φ = 25404709248.

The previous prime is 90849457267. The next prime is 90849457327. The reversal of 90849457272 is 27275494809.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5744983 + ... + 5760774.

It is an arithmetic number, because the mean of its divisors is an integer number (4142072880).

Almost surely, 2^90849457272 is an apocalyptic number.

It is an amenable number.

90849457272 is an abundant number, since it is smaller than the sum of its proper divisors (174243207048).

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

90849457272 is a wasteful number, since it uses less digits than its factorization.

90849457272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11505820 (or 11505816 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 90849457272 in words is "ninety billion, eight hundred forty-nine million, four hundred fifty-seven thousand, two hundred seventy-two".