24949425816 has 256 divisors, whose sum is σ = 80898048000. Its totient is φ = 6977093760.

The previous prime is 24949425713. The next prime is 24949425833. The reversal of 24949425816 is 61852494942.

24949425816 is a `hidden beast` number, since 2 + 494 + 94 + 2 + 58 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27386401 + ... + 27387311.

It is an arithmetic number, because the mean of its divisors is an integer number (316008000).

Almost surely, 2^24949425816 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 24949425816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40449024000).

24949425816 is an abundant number, since it is smaller than the sum of its proper divisors (55948622184).

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

24949425816 is a wasteful number, since it uses less digits than its factorization.

24949425816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299 (or 1289 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The spelling of 24949425816 in words is "twenty-four billion, nine hundred forty-nine million, four hundred twenty-five thousand, eight hundred sixteen".