90320891241984 has 80 divisors (see below), whose sum is σ = 259129768560432. Its totient is φ = 27791043452928.

The previous prime is 90320891241961. The next prime is 90320891241989. The reversal of 90320891241984 is 48914219802309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90320891241989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2261620939 + ... + 2261660874.

Almost surely, 2^{90320891241984} is an apocalyptic number.

It is an amenable number.

90320891241984 is an abundant number, since it is smaller than the sum of its proper divisors (168808877318448).

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

90320891241984 is a wasteful number, since it uses less digits than its factorization.

90320891241984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4523281847 (or 4523281831 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 60.

The spelling of 90320891241984 in words is "ninety trillion, three hundred twenty billion, eight hundred ninety-one million, two hundred forty-one thousand, nine hundred eighty-four".