240157554734657 has 8 divisors (see below), whose sum is σ = 274467728917056. Its totient is φ = 205847868571632.

The previous prime is 240157554734639. The next prime is 240157554734717. The reversal of 240157554734657 is 756437455751042.

240157554734657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 240157554734657 - 2⁸ = 240157554734401 is a prime.

It is a super-2 number, since 2×240157554734657² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240157554734593 and 240157554734602.

It is not an unprimeable number, because it can be changed into a prime (240157554730657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120949718 + ... + 122919279.

It is an arithmetic number, because the mean of its divisors is an integer number (34308466114632).

Almost surely, 2^{240157554734657} is an apocalyptic number.

It is an amenable number.

240157554734657 is a deficient number, since it is larger than the sum of its proper divisors (34310174182399).

240157554734657 is a wasteful number, since it uses less digits than its factorization.

240157554734657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244009687.

The product of its (nonzero) digits is 493920000, while the sum is 65.

The spelling of 240157554734657 in words is "two hundred forty trillion, one hundred fifty-seven billion, five hundred fifty-four million, seven hundred thirty-four thousand, six hundred fifty-seven".