3240742897251 has 20 divisors (see below), whose sum is σ = 4842613133424. Its totient is φ = 2159824338000.

The previous prime is 3240742897241. The next prime is 3240742897283. The reversal of 3240742897251 is 1527982470423.

3240742897251 is a `hidden beast` number, since 3 + 2 + 40 + 74 + 289 + 7 + 251 = 666.

3240742897251 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3240742897251 - 2³³ = 3232152962659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3240742897241) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5949775 + ... + 6471576.

Almost surely, 2^{3240742897251} is an apocalyptic number.

3240742897251 is a deficient number, since it is larger than the sum of its proper divisors (1601870236173).

3240742897251 is a wasteful number, since it uses less digits than its factorization.

3240742897251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12424584 (or 12424575 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 3240742897251 in words is "three trillion, two hundred forty billion, seven hundred forty-two million, eight hundred ninety-seven thousand, two hundred fifty-one".