2542356568 has 8 divisors (see below), whose sum is σ = 4766918580. Its totient is φ = 1271178280.

The previous prime is 2542356563. The next prime is 2542356581. The reversal of 2542356568 is 8656532452.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542356563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158897278 + ... + 158897293.

Almost surely, 2^2542356568 is an apocalyptic number.

It is an amenable number.

2542356568 is a deficient number, since it is larger than the sum of its proper divisors (2224562012).

2542356568 is a wasteful number, since it uses less digits than its factorization.

2542356568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317794577 (or 317794573 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 46.

The square root of 2542356568 is about 50421.7866403006. The cubic root of 2542356568 is about 1364.8308176764.

The spelling of 2542356568 in words is "two billion, five hundred forty-two million, three hundred fifty-six thousand, five hundred sixty-eight".