5430400857 has 12 divisors (see below), whose sum is σ = 8964471360. Its totient is φ = 3103086168.

The previous prime is 5430400847. The next prime is 5430400891. The reversal of 5430400857 is 7580040345.

It is not a de Polignac number, because 5430400857 - 2²⁰ = 5429352281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5430400837) 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, 43098357 + ... + 43098482.

It is an arithmetic number, because the mean of its divisors is an integer number (747039280).

Almost surely, 2^5430400857 is an apocalyptic number.

It is an amenable number.

5430400857 is a deficient number, since it is larger than the sum of its proper divisors (3534070503).

5430400857 is a wasteful number, since it uses less digits than its factorization.

5430400857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86196852 (or 86196849 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 5430400857 is about 73691.2535990534. The cubic root of 5430400857 is about 1757.6968040138.

The spelling of 5430400857 in words is "five billion, four hundred thirty million, four hundred thousand, eight hundred fifty-seven".