24734968638 has 16 divisors (see below), whose sum is σ = 50676521616. Its totient is φ = 8043892160.

The previous prime is 24734968631. The next prime is 24734968639. The reversal of 24734968638 is 83686943742.

It is a super-2 number, since 2×24734968638² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24734968631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50274081 + ... + 50274572.

It is an arithmetic number, because the mean of its divisors is an integer number (3167282601).

Almost surely, 2^24734968638 is an apocalyptic number.

24734968638 is an abundant number, since it is smaller than the sum of its proper divisors (25941552978).

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

24734968638 is a wasteful number, since it uses less digits than its factorization.

24734968638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100548699.

The product of its digits is 41803776, while the sum is 60.

The spelling of 24734968638 in words is "twenty-four billion, seven hundred thirty-four million, nine hundred sixty-eight thousand, six hundred thirty-eight".