5640253858 has 8 divisors (see below), whose sum is σ = 8599075740. Its totient is φ = 2773895280.

The previous prime is 5640253837. The next prime is 5640253903. The reversal of 5640253858 is 8583520465.

It can be written as a sum of positive squares in 2 ways, for example, as 5636555929 + 3697929 = 75077^2 + 1923^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23115673 + ... + 23115916.

Almost surely, 2^5640253858 is an apocalyptic number.

5640253858 is a deficient number, since it is larger than the sum of its proper divisors (2958821882).

5640253858 is a wasteful number, since it uses less digits than its factorization.

5640253858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46231652.

The product of its (nonzero) digits is 1152000, while the sum is 46.

The square root of 5640253858 is about 75101.6235377106. The cubic root of 5640253858 is about 1780.0527966918.

The spelling of 5640253858 in words is "five billion, six hundred forty million, two hundred fifty-three thousand, eight hundred fifty-eight".