21023256450300 has 72 divisors (see below), whose sum is σ = 65506310879856. Its totient is φ = 5174955432960.

The previous prime is 21023256450239. The next prime is 21023256450347. The reversal of 21023256450300 is 305465232012.

It is a happy number.

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, 2695285389 + ... + 2695293188.

Almost surely, 2^{21023256450300} is an apocalyptic number.

21023256450300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21023256450300 is an abundant number, since it is smaller than the sum of its proper divisors (44483054429556).

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

21023256450300 is a wasteful number, since it uses less digits than its factorization.

21023256450300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5390578607 (or 5390578600 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 21023256450300 in words is "twenty-one trillion, twenty-three billion, two hundred fifty-six million, four hundred fifty thousand, three hundred".