21514231073040 has 40 divisors (see below), whose sum is σ = 66694116327168. Its totient is φ = 5737128286080.

The previous prime is 21514231073033. The next prime is 21514231073059. The reversal of 21514231073040 is 4037013241512.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 21514231072992 and 21514231073010.

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 7 ways as a sum of consecutive naturals, for example, 44821314496 + ... + 44821314975.

Almost surely, 2^{21514231073040} is an apocalyptic number.

21514231073040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21514231073040 is an abundant number, since it is smaller than the sum of its proper divisors (45179885254128).

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

21514231073040 is a wasteful number, since it uses less digits than its factorization.

21514231073040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89642629487 (or 89642629481 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 21514231073040 in words is "twenty-one trillion, five hundred fourteen billion, two hundred thirty-one million, seventy-three thousand, forty".