890453583648 has 72 divisors (see below), whose sum is σ = 2532319934508. Its totient is φ = 296807012352.

The previous prime is 890453583631. The next prime is 890453583659. The reversal of 890453583648 is 846385354098.

It is a happy number.

890453583648 is a `hidden beast` number, since 8 + 9 + 0 + 4 + 5 + 3 + 583 + 6 + 48 = 666.

890453583648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 889829982864 + 623600784 = 943308^2 + 24972^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13346340 + ... + 13412892.

Almost surely, 2^890453583648 is an apocalyptic number.

It is an amenable number.

890453583648 is an abundant number, since it is smaller than the sum of its proper divisors (1641866350860).

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

890453583648 is a wasteful number, since it uses less digits than its factorization.

890453583648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113026 (or 113015 counting only the distinct ones).

The product of its (nonzero) digits is 99532800, while the sum is 63.

The spelling of 890453583648 in words is "eight hundred ninety billion, four hundred fifty-three million, five hundred eighty-three thousand, six hundred forty-eight".