90315993000 has 64 divisors (see below), whose sum is σ = 281785907520. Its totient is φ = 24084264000.

The previous prime is 90315992993. The next prime is 90315993017. The reversal of 90315993000 is 39951309.

It is a self number, because there is not a number n which added to its sum of digits gives 90315993000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15049666 + ... + 15055665.

It is an arithmetic number, because the mean of its divisors is an integer number (4402904805).

Almost surely, 2^90315993000 is an apocalyptic number.

It is an amenable number.

90315993000 is an abundant number, since it is smaller than the sum of its proper divisors (191469914520).

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

90315993000 is a wasteful number, since it uses less digits than its factorization.

90315993000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30105355 (or 30105341 counting only the distinct ones).

The product of its (nonzero) digits is 32805, while the sum is 39.

The spelling of 90315993000 in words is "ninety billion, three hundred fifteen million, nine hundred ninety-three thousand".