24935402172 has 96 divisors (see below), whose sum is σ = 63319889920. Its totient is φ = 7608349440.

The previous prime is 24935402161. The next prime is 24935402179. The reversal of 24935402172 is 27120453942.

It is a self number, because there is not a number n which added to its sum of digits gives 24935402172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24935402179) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5178438 + ... + 5183250.

Almost surely, 2^24935402172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24935402172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31659944960).

24935402172 is an abundant number, since it is smaller than the sum of its proper divisors (38384487748).

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

24935402172 is a wasteful number, since it uses less digits than its factorization.

24935402172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5603 (or 5601 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 24935402172 in words is "twenty-four billion, nine hundred thirty-five million, four hundred two thousand, one hundred seventy-two".