21514041422540 has 48 divisors (see below), whose sum is σ = 45753942528000. Its totient is φ = 8496208673472.

The previous prime is 21514041422537. The next prime is 21514041422563. The reversal of 21514041422540 is 4522414041512.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 21514041422540.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28521161 + ... + 29265759.

It is an arithmetic number, because the mean of its divisors is an integer number (953207136000).

Almost surely, 2^{21514041422540} is an apocalyptic number.

21514041422540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21514041422540 is an abundant number, since it is smaller than the sum of its proper divisors (24239901105460).

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

21514041422540 is a wasteful number, since it uses less digits than its factorization.

21514041422540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762974 (or 762972 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 35.

The spelling of 21514041422540 in words is "twenty-one trillion, five hundred fourteen billion, forty-one million, four hundred twenty-two thousand, five hundred forty".