5640234542 has 8 divisors (see below), whose sum is σ = 8461239696. Its totient is φ = 2819821312.

The previous prime is 5640234511. The next prime is 5640234557. The reversal of 5640234542 is 2454320465.

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

It is a congruent number.

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, 123338 + ... + 162765.

It is an arithmetic number, because the mean of its divisors is an integer number (1057654962).

Almost surely, 2^5640234542 is an apocalyptic number.

5640234542 is a deficient number, since it is larger than the sum of its proper divisors (2821005154).

5640234542 is a wasteful number, since it uses less digits than its factorization.

5640234542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295962.

The product of its (nonzero) digits is 115200, while the sum is 35.

The square root of 5640234542 is about 75101.4949385164. The cubic root of 5640234542 is about 1780.0507646592.

The spelling of 5640234542 in words is "five billion, six hundred forty million, two hundred thirty-four thousand, five hundred forty-two".