21452656014760 has 32 divisors (see below), whose sum is σ = 48268635596640. Its totient is φ = 8581034039104.

The previous prime is 21452656014721. The next prime is 21452656014767. The reversal of 21452656014760 is 6741065625412.

It is not an unprimeable number, because it can be changed into a prime (21452656014767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14785539 + ... + 16171501.

It is an arithmetic number, because the mean of its divisors is an integer number (1508394862395).

Almost surely, 2^{21452656014760} is an apocalyptic number.

21452656014760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21452656014760 is an abundant number, since it is smaller than the sum of its proper divisors (26815979581880).

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

21452656014760 is a wasteful number, since it uses less digits than its factorization.

21452656014760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772937 (or 1772933 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 21452656014760 in words is "twenty-one trillion, four hundred fifty-two billion, six hundred fifty-six million, fourteen thousand, seven hundred sixty".