23572727652440 has 64 divisors (see below), whose sum is σ = 55351424606400. Its totient is φ = 9018029002752.

The previous prime is 23572727652421. The next prime is 23572727652499. The reversal of 23572727652440 is 4425672727532.

It is a super-2 number, since 2×23572727652440² (a number of 28 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 5991644 + ... + 9112916.

It is an arithmetic number, because the mean of its divisors is an integer number (864866009475).

Almost surely, 2^{23572727652440} is an apocalyptic number.

23572727652440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23572727652440 is an abundant number, since it is smaller than the sum of its proper divisors (31778696953960).

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

23572727652440 is a wasteful number, since it uses less digits than its factorization.

23572727652440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129516 (or 3129512 counting only the distinct ones).

The product of its (nonzero) digits is 39513600, while the sum is 56.

The spelling of 23572727652440 in words is "twenty-three trillion, five hundred seventy-two billion, seven hundred twenty-seven million, six hundred fifty-two thousand, four hundred forty".