21940914300 has 36 divisors (see below), whose sum is σ = 63482379576. Its totient is φ = 5850910400.

The previous prime is 21940914293. The next prime is 21940914341. The reversal of 21940914300 is 341904912.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36567891 + ... + 36568490.

Almost surely, 2^21940914300 is an apocalyptic number.

21940914300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21940914300 is an abundant number, since it is smaller than the sum of its proper divisors (41541465276).

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

21940914300 is a wasteful number, since it uses less digits than its factorization.

21940914300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73136398 (or 73136391 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 21940914300 in words is "twenty-one billion, nine hundred forty million, nine hundred fourteen thousand, three hundred".