90004298724 has 36 divisors (see below), whose sum is σ = 228120848956. Its totient is φ = 29920995648.

The previous prime is 90004298723. The next prime is 90004298731. The reversal of 90004298724 is 42789240009.

It can be written as a sum of positive squares in 2 ways, for example, as 53508017124 + 36496281600 = 231318^2 + 191040^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 90004298724.

It is not an unprimeable number, because it can be changed into a prime (90004298723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3337939 + ... + 3364794.

Almost surely, 2^90004298724 is an apocalyptic number.

It is an amenable number.

90004298724 is an abundant number, since it is smaller than the sum of its proper divisors (138116550232).

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

90004298724 is a wasteful number, since it uses less digits than its factorization.

90004298724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6703116 (or 6703111 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 90004298724 in words is "ninety billion, four million, two hundred ninety-eight thousand, seven hundred twenty-four".