42568757247 has 32 divisors (see below), whose sum is σ = 58226688000. Its totient is φ = 27652914432.

The previous prime is 42568757221. The next prime is 42568757251. The reversal of 42568757247 is 74275786524.

It is not a de Polignac number, because 42568757247 - 2²⁶ = 42501648383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42568757267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25596738 + ... + 25598400.

It is an arithmetic number, because the mean of its divisors is an integer number (1819584000).

Almost surely, 2^42568757247 is an apocalyptic number.

42568757247 is a deficient number, since it is larger than the sum of its proper divisors (15657930753).

42568757247 is a wasteful number, since it uses less digits than its factorization.

42568757247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2727.

The product of its digits is 26342400, while the sum is 57.

The spelling of 42568757247 in words is "forty-two billion, five hundred sixty-eight million, seven hundred fifty-seven thousand, two hundred forty-seven".