25204432234 has 32 divisors (see below), whose sum is σ = 38807850240. Its totient is φ = 12273768000.

The previous prime is 25204432199. The next prime is 25204432243. The reversal of 25204432234 is 43223440252.

It is a junction number, because it is equal to n+sod(n) for n = 25204432196 and 25204432205.

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, 4513324 + ... + 4518904.

It is an arithmetic number, because the mean of its divisors is an integer number (1212745320).

Almost surely, 2^25204432234 is an apocalyptic number.

25204432234 is a deficient number, since it is larger than the sum of its proper divisors (13603418006).

25204432234 is a wasteful number, since it uses less digits than its factorization.

25204432234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6046.

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

Adding to 25204432234 its reverse (43223440252), we get a palindrome (68427872486).

The spelling of 25204432234 in words is "twenty-five billion, two hundred four million, four hundred thirty-two thousand, two hundred thirty-four".