21754256044376 has 16 divisors (see below), whose sum is σ = 41363726282640. Its totient is φ = 10723929035680.

The previous prime is 21754256044351. The next prime is 21754256044397. The reversal of 21754256044376 is 67344065245712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19149872711 + ... + 19149873846.

It is an arithmetic number, because the mean of its divisors is an integer number (2585232892665).

Almost surely, 2^{21754256044376} is an apocalyptic number.

It is an amenable number.

21754256044376 is a deficient number, since it is larger than the sum of its proper divisors (19609470238264).

21754256044376 is a wasteful number, since it uses less digits than its factorization.

21754256044376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38299746634 (or 38299746630 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 56.

The spelling of 21754256044376 in words is "twenty-one trillion, seven hundred fifty-four billion, two hundred fifty-six million, forty-four thousand, three hundred seventy-six".