25243234402 has 8 divisors (see below), whose sum is σ = 38044306512. Its totient is φ = 12561798900.

The previous prime is 25243234399. The next prime is 25243234433. The reversal of 25243234402 is 20443234252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29908624 + ... + 29909467.

It is an arithmetic number, because the mean of its divisors is an integer number (4755538314).

Almost surely, 2^25243234402 is an apocalyptic number.

25243234402 is a deficient number, since it is larger than the sum of its proper divisors (12801072110).

25243234402 is a wasteful number, since it uses less digits than its factorization.

25243234402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59818304.

The product of its (nonzero) digits is 46080, while the sum is 31.

Adding to 25243234402 its reverse (20443234252), we get a palindrome (45686468654).

The spelling of 25243234402 in words is "twenty-five billion, two hundred forty-three million, two hundred thirty-four thousand, four hundred two".