21344331426300 has 54 divisors (see below), whose sum is σ = 66902621062368. Its totient is φ = 5691821713440.

The previous prime is 21344331426283. The next prime is 21344331426307. The reversal of 21344331426300 is 362413344312.

It is a happy number.

21344331426300 is a `hidden beast` number, since 2 + 1 + 3 + 4 + 4 + 3 + 3 + 14 + 2 + 630 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21344331426307) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11857961004 + ... + 11857962803.

Almost surely, 2^{21344331426300} is an apocalyptic number.

21344331426300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21344331426300 is an abundant number, since it is smaller than the sum of its proper divisors (45558289636068).

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

21344331426300 is a wasteful number, since it uses less digits than its factorization.

21344331426300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23715923827 (or 23715923817 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The spelling of 21344331426300 in words is "twenty-one trillion, three hundred forty-four billion, three hundred thirty-one million, four hundred twenty-six thousand, three hundred".