5640928854 has 32 divisors (see below), whose sum is σ = 12476087424. Its totient is φ = 1685954880.

The previous prime is 5640928849. The next prime is 5640928873. The reversal of 5640928854 is 4588290465.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5640928797 and 5640928806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 580584 + ... + 590219.

It is an arithmetic number, because the mean of its divisors is an integer number (389877732).

Almost surely, 2^5640928854 is an apocalyptic number.

5640928854 is an abundant number, since it is smaller than the sum of its proper divisors (6835158570).

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

5640928854 is a wasteful number, since it uses less digits than its factorization.

5640928854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170892.

The product of its (nonzero) digits is 2764800, while the sum is 51.

The square root of 5640928854 is about 75106.1172874753. The cubic root of 5640928854 is about 1780.1238029869.

The spelling of 5640928854 in words is "five billion, six hundred forty million, nine hundred twenty-eight thousand, eight hundred fifty-four".