25040410242 has 32 divisors (see below), whose sum is σ = 51217920000. Its totient is φ = 8157783888.

The previous prime is 25040410231. The next prime is 25040410303. The reversal of 25040410242 is 24201404052.

It is a happy number.

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, 141009 + ... + 264507.

It is an arithmetic number, because the mean of its divisors is an integer number (1600560000).

Almost surely, 2^25040410242 is an apocalyptic number.

25040410242 is an abundant number, since it is smaller than the sum of its proper divisors (26177509758).

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

25040410242 is a wasteful number, since it uses less digits than its factorization.

25040410242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124270.

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 25040410242 its reverse (24201404052), we get a palindrome (49241814294).

The spelling of 25040410242 in words is "twenty-five billion, forty million, four hundred ten thousand, two hundred forty-two".