90422610720 has 192 divisors, whose sum is σ = 306905687424. Its totient is φ = 22245949440.

The previous prime is 90422610697. The next prime is 90422610721. The reversal of 90422610720 is 2701622409.

It is not an unprimeable number, because it can be changed into a prime (90422610721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19472719 + ... + 19477361.

It is an arithmetic number, because the mean of its divisors is an integer number (1598467122).

Almost surely, 2^90422610720 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 90422610720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153452843712).

90422610720 is an abundant number, since it is smaller than the sum of its proper divisors (216483076704).

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

90422610720 is a wasteful number, since it uses less digits than its factorization.

90422610720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7795 (or 7787 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 90422610720 in words is "ninety billion, four hundred twenty-two million, six hundred ten thousand, seven hundred twenty".