5640857432 has 16 divisors (see below), whose sum is σ = 12087551760. Its totient is φ = 2417510304.

The previous prime is 5640857429. The next prime is 5640857437. The reversal of 5640857432 is 2347580465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640857437) 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, 50364743 + ... + 50364854.

It is an arithmetic number, because the mean of its divisors is an integer number (755471985).

Almost surely, 2^5640857432 is an apocalyptic number.

It is an amenable number.

5640857432 is an abundant number, since it is smaller than the sum of its proper divisors (6446694328).

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

5640857432 is a wasteful number, since it uses less digits than its factorization.

5640857432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100729610 (or 100729606 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 44.

The square root of 5640857432 is about 75105.6418120503. The cubic root of 5640857432 is about 1780.1162900080.

The spelling of 5640857432 in words is "five billion, six hundred forty million, eight hundred fifty-seven thousand, four hundred thirty-two".