5640078942 has 24 divisors (see below), whose sum is σ = 12550447416. Its totient is φ = 1829214576.

The previous prime is 5640078911. The next prime is 5640078947. The reversal of 5640078942 is 2498700465.

It is a happy number.

5640078942 is a `hidden beast` number, since 564 + 0 + 0 + 7 + 89 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640078947) 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, 4233628 + ... + 4234959.

It is an arithmetic number, because the mean of its divisors is an integer number (522935309).

Almost surely, 2^5640078942 is an apocalyptic number.

5640078942 is an abundant number, since it is smaller than the sum of its proper divisors (6910368474).

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

5640078942 is a wasteful number, since it uses less digits than its factorization.

5640078942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8468632 (or 8468629 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 5640078942 is about 75100.4589999289. The cubic root of 5640078942 is about 1780.0343954554.

The spelling of 5640078942 in words is "five billion, six hundred forty million, seventy-eight thousand, nine hundred forty-two".