90109430248 has 16 divisors (see below), whose sum is σ = 177847560000. Its totient is φ = 42683414256.

The previous prime is 90109430239. The next prime is 90109430263. The reversal of 90109430248 is 84203490109.

It is a self number, because there is not a number n which added to its sum of digits gives 90109430248.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296412448 + ... + 296412751.

It is an arithmetic number, because the mean of its divisors is an integer number (11115472500).

Almost surely, 2^90109430248 is an apocalyptic number.

It is an amenable number.

90109430248 is a deficient number, since it is larger than the sum of its proper divisors (87738129752).

90109430248 is a wasteful number, since it uses less digits than its factorization.

90109430248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592825224 (or 592825220 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 90109430248 in words is "ninety billion, one hundred nine million, four hundred thirty thousand, two hundred forty-eight".