21914540000 has 60 divisors (see below), whose sum is σ = 53913104784. Its totient is φ = 8765808000.

The previous prime is 21914539993. The next prime is 21914540027. The reversal of 21914540000 is 4541912.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 527864 + ... + 567863.

Almost surely, 2^21914540000 is an apocalyptic number.

21914540000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21914540000 is an abundant number, since it is smaller than the sum of its proper divisors (31998564784).

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

21914540000 is an equidigital number, since it uses as much as digits as its factorization.

21914540000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095757 (or 1095734 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 21914540000 in words is "twenty-one billion, nine hundred fourteen million, five hundred forty thousand".