5640268942 has 32 divisors (see below), whose sum is σ = 11168513280. Its totient is φ = 2068241280.

The previous prime is 5640268939. The next prime is 5640268969. The reversal of 5640268942 is 2498620465.

It is a junction number, because it is equal to n+sod(n) for n = 5640268892 and 5640268901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1074592 + ... + 1079827.

It is an arithmetic number, because the mean of its divisors is an integer number (349016040).

Almost surely, 2^5640268942 is an apocalyptic number.

5640268942 is a deficient number, since it is larger than the sum of its proper divisors (5528244338).

5640268942 is a wasteful number, since it uses less digits than its factorization.

5640268942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154456.

The product of its (nonzero) digits is 829440, while the sum is 46.

The square root of 5640268942 is about 75101.7239615709. The cubic root of 5640268942 is about 1780.0543835171.

The spelling of 5640268942 in words is "five billion, six hundred forty million, two hundred sixty-eight thousand, nine hundred forty-two".