8400557452 has 36 divisors (see below), whose sum is σ = 17423819280. Its totient is φ = 3532305504.

The previous prime is 8400557449. The next prime is 8400557479. The reversal of 8400557452 is 2547550048.

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, 393952 + ... + 414727.

It is an arithmetic number, because the mean of its divisors is an integer number (483994980).

Almost surely, 2^8400557452 is an apocalyptic number.

It is an amenable number.

8400557452 is an abundant number, since it is smaller than the sum of its proper divisors (9023261828).

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

8400557452 is a wasteful number, since it uses less digits than its factorization.

8400557452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808750 (or 808741 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 40.

The square root of 8400557452 is about 91654.5549986470. The cubic root of 8400557452 is about 2032.8376802685.

The spelling of 8400557452 in words is "eight billion, four hundred million, five hundred fifty-seven thousand, four hundred fifty-two".