25304142234 has 24 divisors (see below), whose sum is σ = 58870862208. Its totient is φ = 7229754840.

The previous prime is 25304142229. The next prime is 25304142239. The reversal of 25304142234 is 43224140352.

It is an interprime number because it is at equal distance from previous prime (25304142229) and next prime (25304142239).

It is a super-2 number, since 2×25304142234² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25304142239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43033962 + ... + 43034549.

It is an arithmetic number, because the mean of its divisors is an integer number (2452952592).

Almost surely, 2^25304142234 is an apocalyptic number.

25304142234 is an abundant number, since it is smaller than the sum of its proper divisors (33566719974).

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

25304142234 is a wasteful number, since it uses less digits than its factorization.

25304142234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86068530 (or 86068523 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 25304142234 its reverse (43224140352), we get a palindrome (68528282586).

The spelling of 25304142234 in words is "twenty-five billion, three hundred four million, one hundred forty-two thousand, two hundred thirty-four".