21874523914976 has 96 divisors (see below), whose sum is σ = 45044676331200. Its totient is φ = 10448167403520.

The previous prime is 21874523914967. The next prime is 21874523915029. The reversal of 21874523914976 is 67941932547812.

It is a hoax number, since the sum of its digits (68) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11117720 + ... + 12936488.

It is an arithmetic number, because the mean of its divisors is an integer number (469215378450).

Almost surely, 2^{21874523914976} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21874523914976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22522338165600).

21874523914976 is an abundant number, since it is smaller than the sum of its proper divisors (23170152416224).

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

21874523914976 is a wasteful number, since it uses less digits than its factorization.

21874523914976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819012 (or 1819004 counting only the distinct ones).

The product of its digits is 182891520, while the sum is 68.

The spelling of 21874523914976 in words is "twenty-one trillion, eight hundred seventy-four billion, five hundred twenty-three million, nine hundred fourteen thousand, nine hundred seventy-six".