25842242530 has 32 divisors (see below), whose sum is σ = 50374094400. Its totient is φ = 9488436672.

The previous prime is 25842242527. The next prime is 25842242557. The reversal of 25842242530 is 3524224852.

It is a self number, because there is not a number n which added to its sum of digits gives 25842242530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532000 + ... + 578539.

It is an arithmetic number, because the mean of its divisors is an integer number (1574190450).

Almost surely, 2^25842242530 is an apocalyptic number.

25842242530 is a deficient number, since it is larger than the sum of its proper divisors (24531851870).

25842242530 is a wasteful number, since it uses less digits than its factorization.

25842242530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110738.

The product of its (nonzero) digits is 153600, while the sum is 37.

The spelling of 25842242530 in words is "twenty-five billion, eight hundred forty-two million, two hundred forty-two thousand, five hundred thirty".