90485925448 has 16 divisors (see below), whose sum is σ = 169668113580. Its totient is φ = 45241095168.

The previous prime is 90485925443. The next prime is 90485925469. The reversal of 90485925448 is 84452958409.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 83069615524 + 7416309924 = 288218^2 + 86118^2 .

It is a junction number, because it is equal to n+sod(n) for n = 90485925392 and 90485925401.

It is not an unprimeable number, because it can be changed into a prime (90485925443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15565 + ... + 425692.

Almost surely, 2^90485925448 is an apocalyptic number.

It is an amenable number.

90485925448 is a deficient number, since it is larger than the sum of its proper divisors (79182188132).

90485925448 is a wasteful number, since it uses less digits than its factorization.

90485925448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466896 (or 466892 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 58.

The spelling of 90485925448 in words is "ninety billion, four hundred eighty-five million, nine hundred twenty-five thousand, four hundred forty-eight".