2539257342 has 32 divisors (see below), whose sum is σ = 5320166400. Its totient is φ = 806883168.

The previous prime is 2539257323. The next prime is 2539257353. The reversal of 2539257342 is 2437529352.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2539257294 and 2539257303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78618 + ... + 106109.

It is an arithmetic number, because the mean of its divisors is an integer number (166255200).

Almost surely, 2^2539257342 is an apocalyptic number.

2539257342 is an abundant number, since it is smaller than the sum of its proper divisors (2780909058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2539257342 is a wasteful number, since it uses less digits than its factorization.

2539257342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184840.

The product of its digits is 453600, while the sum is 42.

The square root of 2539257342 is about 50391.0442638372. The cubic root of 2539257342 is about 1364.2759992082.

The spelling of 2539257342 in words is "two billion, five hundred thirty-nine million, two hundred fifty-seven thousand, three hundred forty-two".