3240771731857 has 16 divisors (see below), whose sum is σ = 3540536790912. Its totient is φ = 2941865982720.

The previous prime is 3240771731837. The next prime is 3240771731861. The reversal of 3240771731857 is 7581371770423.

It is a cyclic number.

It is not a de Polignac number, because 3240771731857 - 2³⁵ = 3206411993489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3240771731798 and 3240771731807.

It is not an unprimeable number, because it can be changed into a prime (3240771731837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73980153 + ... + 74023945.

It is an arithmetic number, because the mean of its divisors is an integer number (221283549432).

Almost surely, 2^{3240771731857} is an apocalyptic number.

It is an amenable number.

3240771731857 is a deficient number, since it is larger than the sum of its proper divisors (299765059055).

3240771731857 is a wasteful number, since it uses less digits than its factorization.

3240771731857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53448.

The product of its (nonzero) digits is 6914880, while the sum is 55.

The spelling of 3240771731857 in words is "three trillion, two hundred forty billion, seven hundred seventy-one million, seven hundred thirty-one thousand, eight hundred fifty-seven".