945557870404 has 27 divisors (see below), whose sum is σ = 1924913378493. Its totient is φ = 405233252928.

The previous prime is 945557870399. The next prime is 945557870443. The reversal of 945557870404 is 404078755549.

The square root of 945557870404 is 972398.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 111535960900 + 834021909504 = 333970^2 + 913248^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13578844 + ... + 13648300.

Almost surely, 2^945557870404 is an apocalyptic number.

945557870404 is the 972398-th square number.

It is an amenable number.

945557870404 is an abundant number, since it is smaller than the sum of its proper divisors (979355508089).

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

945557870404 is an frugal number, since it uses more digits than its factorization.

945557870404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138932 (or 69466 counting only the distinct ones).

The product of its (nonzero) digits is 28224000, while the sum is 58.

The spelling of 945557870404 in words is "nine hundred forty-five billion, five hundred fifty-seven million, eight hundred seventy thousand, four hundred four".