21374326114624 has 112 divisors (see below), whose sum is σ = 48908004393600. Its totient is φ = 9078410428416.

The previous prime is 21374326114579. The next prime is 21374326114627. The reversal of 21374326114624 is 42641162347312.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×21374326114624² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21374326114627) 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, 709176547 + ... + 709206685.

Almost surely, 2^{21374326114624} 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 21374326114624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24454002196800).

21374326114624 is an abundant number, since it is smaller than the sum of its proper divisors (27533678278976).

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

21374326114624 is a wasteful number, since it uses less digits than its factorization.

21374326114624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44280 (or 44270 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 46.

The spelling of 21374326114624 in words is "twenty-one trillion, three hundred seventy-four billion, three hundred twenty-six million, one hundred fourteen thousand, six hundred twenty-four".