21444104016300 has 72 divisors (see below), whose sum is σ = 70908503954176. Its totient is φ = 4901509488960.

The previous prime is 21444104016239. The next prime is 21444104016341. The reversal of 21444104016300 is 361040144412.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 5105736952 + ... + 5105741151.

Almost surely, 2^{21444104016300} is an apocalyptic number.

21444104016300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21444104016300 is an abundant number, since it is smaller than the sum of its proper divisors (49464399937876).

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

21444104016300 is a wasteful number, since it uses less digits than its factorization.

21444104016300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10211478127 (or 10211478120 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 21444104016300 in words is "twenty-one trillion, four hundred forty-four billion, one hundred four million, sixteen thousand, three hundred".