25442880235 has 16 divisors (see below), whose sum is σ = 30704038560. Its totient is φ = 20239349760.

The previous prime is 25442880223. The next prime is 25442880241. The reversal of 25442880235 is 53208824452.

It is not a de Polignac number, because 25442880235 - 2²³ = 25434491627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25442880191 and 25442880200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2640256 + ... + 2649874.

It is an arithmetic number, because the mean of its divisors is an integer number (1919002410).

Almost surely, 2^25442880235 is an apocalyptic number.

25442880235 is a deficient number, since it is larger than the sum of its proper divisors (5261158325).

25442880235 is a wasteful number, since it uses less digits than its factorization.

25442880235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12558.

The product of its (nonzero) digits is 614400, while the sum is 43.

The spelling of 25442880235 in words is "twenty-five billion, four hundred forty-two million, eight hundred eighty thousand, two hundred thirty-five".