25189942276 has 12 divisors (see below), whose sum is σ = 45157579740. Its totient is φ = 12287776640.

The previous prime is 25189942231. The next prime is 25189942277. The reversal of 25189942276 is 67224998152.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4848336900 + 20341605376 = 69630^2 + 142624^2 .

It is not an unprimeable number, because it can be changed into a prime (25189942277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76798441 + ... + 76798768.

It is an arithmetic number, because the mean of its divisors is an integer number (3763131645).

Almost surely, 2^25189942276 is an apocalyptic number.

It is an amenable number.

25189942276 is a deficient number, since it is larger than the sum of its proper divisors (19967637464).

25189942276 is a wasteful number, since it uses less digits than its factorization.

25189942276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153597254 (or 153597252 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The spelling of 25189942276 in words is "twenty-five billion, one hundred eighty-nine million, nine hundred forty-two thousand, two hundred seventy-six".