24994495616 has 96 divisors (see below), whose sum is σ = 53201546580. Its totient is φ = 11693998080.

The previous prime is 24994495609. The next prime is 24994495639. The reversal of 24994495616 is 61659449942.

It can be written as a sum of positive squares in 6 ways, for example, as 11989374016 + 13005121600 = 109496^2 + 114040^2 .

It is a super-2 number, since 2×24994495616² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6693686 + ... + 6697418.

Almost surely, 2^24994495616 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 24994495616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26600773290).

24994495616 is an abundant number, since it is smaller than the sum of its proper divisors (28207050964).

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

24994495616 is a wasteful number, since it uses less digits than its factorization.

24994495616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962 (or 3933 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 59.

The spelling of 24994495616 in words is "twenty-four billion, nine hundred ninety-four million, four hundred ninety-five thousand, six hundred sixteen".