90272593488 has 160 divisors (see below), whose sum is σ = 298606602240. Its totient is φ = 22813678080.

The previous prime is 90272593459. The next prime is 90272593501. The reversal of 90272593488 is 88439527209.

It is a happy number.

It is a super-2 number, since 2×90272593488² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193308 + ... + 466811.

It is an arithmetic number, because the mean of its divisors is an integer number (1866291264).

Almost surely, 2^90272593488 is an apocalyptic number.

It is an amenable number.

90272593488 is an abundant number, since it is smaller than the sum of its proper divisors (208334008752).

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

90272593488 is a wasteful number, since it uses less digits than its factorization.

90272593488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660185 (or 660179 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 90272593488 in words is "ninety billion, two hundred seventy-two million, five hundred ninety-three thousand, four hundred eighty-eight".