90419996392 has 32 divisors (see below), whose sum is σ = 185367566880. Its totient is φ = 41007204160.

The previous prime is 90419996383. The next prime is 90419996399. The reversal of 90419996392 is 29369991409.

It is a self number, because there is not a number n which added to its sum of digits gives 90419996392.

It is not an unprimeable number, because it can be changed into a prime (90419996399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120723 + ... + 1198690.

It is an arithmetic number, because the mean of its divisors is an integer number (5792736465).

Almost surely, 2^90419996392 is an apocalyptic number.

It is an amenable number.

90419996392 is an abundant number, since it is smaller than the sum of its proper divisors (94947570488).

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

90419996392 is a wasteful number, since it uses less digits than its factorization.

90419996392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319873 (or 2319869 counting only the distinct ones).

The product of its (nonzero) digits is 8503056, while the sum is 61.

The spelling of 90419996392 in words is "ninety billion, four hundred nineteen million, nine hundred ninety-six thousand, three hundred ninety-two".