25334431104 has 64 divisors (see below), whose sum is σ = 67322827440. Its totient is φ = 8441266176.

The previous prime is 25334431099. The next prime is 25334431127. The reversal of 25334431104 is 40113443352.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 998544 + ... + 1023600.

Almost surely, 2^25334431104 is an apocalyptic number.

25334431104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25334431104 is an abundant number, since it is smaller than the sum of its proper divisors (41988396336).

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

25334431104 is a wasteful number, since it uses less digits than its factorization.

25334431104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27707 (or 27695 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 25334431104 its reverse (40113443352), we get a palindrome (65447874456).

The spelling of 25334431104 in words is "twenty-five billion, three hundred thirty-four million, four hundred thirty-one thousand, one hundred four".