90491414608 has 80 divisors (see below), whose sum is σ = 211059527040. Its totient is φ = 36716544000.

The previous prime is 90491414549. The next prime is 90491414641. The reversal of 90491414608 is 80641419409.

It is a super-2 number, since 2×90491414608² (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 15 ways as a sum of consecutive naturals, for example, 3393648 + ... + 3420208.

It is an arithmetic number, because the mean of its divisors is an integer number (2638244088).

Almost surely, 2^90491414608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90491414608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105529763520).

90491414608 is an abundant number, since it is smaller than the sum of its proper divisors (120568112432).

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

90491414608 is a wasteful number, since it uses less digits than its factorization.

90491414608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28196 (or 28190 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 90491414608 in words is "ninety billion, four hundred ninety-one million, four hundred fourteen thousand, six hundred eight".