23386506748440 has 64 divisors (see below), whose sum is σ = 76537658453760. Its totient is φ = 5669456181120.

The previous prime is 23386506748417. The next prime is 23386506748441. The reversal of 23386506748440 is 4484760568332.

It is a super-2 number, since 2×23386506748440² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23386506748441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8858523964 + ... + 8858526603.

It is an arithmetic number, because the mean of its divisors is an integer number (1195900913340).

Almost surely, 2^{23386506748440} is an apocalyptic number.

23386506748440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23386506748440 is an abundant number, since it is smaller than the sum of its proper divisors (53151151705320).

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

23386506748440 is a wasteful number, since it uses less digits than its factorization.

23386506748440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17717050592 (or 17717050588 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 60.

The spelling of 23386506748440 in words is "twenty-three trillion, three hundred eighty-six billion, five hundred six million, seven hundred forty-eight thousand, four hundred forty".