24725859228 has 144 divisors (see below), whose sum is σ = 78495110400. Its totient is φ = 6692686560.

The previous prime is 24725859199. The next prime is 24725859229. The reversal of 24725859228 is 82295852742.

24725859228 is a `hidden beast` number, since 2 + 4 + 7 + 25 + 8 + 592 + 28 = 666.

It is a super-2 number, since 2×24725859228² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24725859229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22408 + ... + 223503.

Almost surely, 2^24725859228 is an apocalyptic number.

24725859228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24725859228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39247555200).

24725859228 is an abundant number, since it is smaller than the sum of its proper divisors (53769251172).

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

24725859228 is a wasteful number, since it uses less digits than its factorization.

24725859228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245957 (or 245942 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The spelling of 24725859228 in words is "twenty-four billion, seven hundred twenty-five million, eight hundred fifty-nine thousand, two hundred twenty-eight".