25442434124 has 48 divisors (see below), whose sum is σ = 49999674816. Its totient is φ = 11264563200.

The previous prime is 25442434109. The next prime is 25442434169. The reversal of 25442434124 is 42143424452.

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, 37937 + ... + 228744.

It is an arithmetic number, because the mean of its divisors is an integer number (1041659892).

Almost surely, 2^25442434124 is an apocalyptic number.

It is an amenable number.

25442434124 is a deficient number, since it is larger than the sum of its proper divisors (24557240692).

25442434124 is a wasteful number, since it uses less digits than its factorization.

25442434124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266786 (or 266784 counting only the distinct ones).

The product of its digits is 122880, while the sum is 35.

Adding to 25442434124 its reverse (42143424452), we get a palindrome (67585858576).

The spelling of 25442434124 in words is "twenty-five billion, four hundred forty-two million, four hundred thirty-four thousand, one hundred twenty-four".