21344044044312 has 96 divisors (see below), whose sum is σ = 63388694612880. Its totient is φ = 6434379694080.

The previous prime is 21344044044307. The next prime is 21344044044329.

21344044044312 is a `hidden beast` number, since 2 + 134 + 40 + 4 + 40 + 443 + 1 + 2 = 666.

21344044044312 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69664633 + ... + 69970344.

Almost surely, 2^{21344044044312} is an apocalyptic number.

21344044044312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21344044044312 is an abundant number, since it is smaller than the sum of its proper divisors (42044650568568).

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

21344044044312 is a wasteful number, since it uses less digits than its factorization.

21344044044312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139635193 (or 139635186 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

It can be divided in two parts, 2134404 and 4044312, that added together give a palindrome (6178716).

The spelling of 21344044044312 in words is "twenty-one trillion, three hundred forty-four billion, forty-four million, forty-four thousand, three hundred twelve".