240157564157351 has 4 divisors (see below), whose sum is σ = 241070710789392. Its totient is φ = 239244417525312.

The previous prime is 240157564157347. The next prime is 240157564157353. The reversal of 240157564157351 is 153751465751042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240157564157351 - 2² = 240157564157347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240157564157353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456573315626 + ... + 456573316151.

It is an arithmetic number, because the mean of its divisors is an integer number (60267677697348).

Almost surely, 2^{240157564157351} is an apocalyptic number.

240157564157351 is a deficient number, since it is larger than the sum of its proper divisors (913146632041).

240157564157351 is an equidigital number, since it uses as much as digits as its factorization.

240157564157351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913146632040.

The product of its (nonzero) digits is 17640000, while the sum is 56.

The spelling of 240157564157351 in words is "two hundred forty trillion, one hundred fifty-seven billion, five hundred sixty-four million, one hundred fifty-seven thousand, three hundred fifty-one".