24725984400 has 1440 divisors, whose sum is σ = 108050227200. Its totient is φ = 5337446400.

The previous prime is 24725984383. The next prime is 24725984417. The reversal of 24725984400 is 448952742.

It is an interprime number because it is at equal distance from previous prime (24725984383) and next prime (24725984417).

It is a super-2 number, since 2×24725984400² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 797612385 + ... + 797612415.

It is an arithmetic number, because the mean of its divisors is an integer number (75034880).

Almost surely, 2^24725984400 is an apocalyptic number.

24725984400 is a gapful number since it is divisible by the number (20) 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 24725984400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54025113600).

24725984400 is an abundant number, since it is smaller than the sum of its proper divisors (83324242800).

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

24725984400 is a wasteful number, since it uses less digits than its factorization.

24725984400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 24725984400 in words is "twenty-four billion, seven hundred twenty-five million, nine hundred eighty-four thousand, four hundred".