23825641500 has 72 divisors (see below), whose sum is σ = 75161971248. Its totient is φ = 6353503200.

The previous prime is 23825641481. The next prime is 23825641517. The reversal of 23825641500 is 514652832.

23825641500 is a `hidden beast` number, since 2 + 3 + 8 + 2 + 5 + 641 + 5 + 0 + 0 = 666.

It is a super-2 number, since 2×23825641500² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2642794 + ... + 2651793.

Almost surely, 2^23825641500 is an apocalyptic number.

23825641500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23825641500 is an abundant number, since it is smaller than the sum of its proper divisors (51336329748).

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

23825641500 is a wasteful number, since it uses less digits than its factorization.

23825641500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5294612 (or 5294597 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 23825641500 in words is "twenty-three billion, eight hundred twenty-five million, six hundred forty-one thousand, five hundred".