23722540400 has 120 divisors (see below), whose sum is σ = 64046421600. Its totient is φ = 8378219520.

The previous prime is 23722540313. The next prime is 23722540447. The reversal of 23722540400 is 404522732.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20426 + ... + 218774.

It is an arithmetic number, because the mean of its divisors is an integer number (533720180).

Almost surely, 2^23722540400 is an apocalyptic number.

23722540400 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 23722540400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32023210800).

23722540400 is an abundant number, since it is smaller than the sum of its proper divisors (40323881200).

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

23722540400 is a wasteful number, since it uses less digits than its factorization.

23722540400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198403 (or 198392 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The spelling of 23722540400 in words is "twenty-three billion, seven hundred twenty-two million, five hundred forty thousand, four hundred".