90442865080 has 16 divisors (see below), whose sum is σ = 203496446520. Its totient is φ = 36177146016.

The previous prime is 90442864957. The next prime is 90442865101. The reversal of 90442865080 is 8056824409.

It is a self number, because there is not a number n which added to its sum of digits gives 90442865080.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130535774 + ... + 1130535853.

Almost surely, 2^90442865080 is an apocalyptic number.

It is an amenable number.

90442865080 is an abundant number, since it is smaller than the sum of its proper divisors (113053581440).

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

90442865080 is a wasteful number, since it uses less digits than its factorization.

90442865080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261071638 (or 2261071634 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 90442865080 in words is "ninety billion, four hundred forty-two million, eight hundred sixty-five thousand, eighty".