90598939540 has 48 divisors (see below), whose sum is σ = 191470656384. Its totient is φ = 36008720000.

The previous prime is 90598939493. The next prime is 90598939549. The reversal of 90598939540 is 4593989509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90598939549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16466790 + ... + 16472290.

It is an arithmetic number, because the mean of its divisors is an integer number (3988972008).

Almost surely, 2^90598939540 is an apocalyptic number.

It is an amenable number.

90598939540 is an abundant number, since it is smaller than the sum of its proper divisors (100871716844).

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

90598939540 is a wasteful number, since it uses less digits than its factorization.

90598939540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10608 (or 10606 counting only the distinct ones).

The product of its (nonzero) digits is 15746400, while the sum is 61.

The spelling of 90598939540 in words is "ninety billion, five hundred ninety-eight million, nine hundred thirty-nine thousand, five hundred forty".