240157554735457 has 4 divisors (see below), whose sum is σ = 240341865983680. Its totient is φ = 239973243487236.

The previous prime is 240157554735431. The next prime is 240157554735481. The reversal of 240157554735457 is 754537455751042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240157554735457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240157554735257) 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, 92155622157 + ... + 92155624762.

It is an arithmetic number, because the mean of its divisors is an integer number (60085466495920).

Almost surely, 2^{240157554735457} is an apocalyptic number.

It is an amenable number.

240157554735457 is a deficient number, since it is larger than the sum of its proper divisors (184311248223).

240157554735457 is a wasteful number, since it uses less digits than its factorization.

240157554735457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184311248222.

The product of its (nonzero) digits is 411600000, while the sum is 64.

The spelling of 240157554735457 in words is "two hundred forty trillion, one hundred fifty-seven billion, five hundred fifty-four million, seven hundred thirty-five thousand, four hundred fifty-seven".