21900552003340 has 24 divisors (see below), whose sum is σ = 46326861104832. Its totient is φ = 8696277582720.

The previous prime is 21900552003313. The next prime is 21900552003359. The reversal of 21900552003340 is 4330025500912.

It is a junction number, because it is equal to n+sod(n) for n = 21900552003296 and 21900552003305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3996448356 + ... + 3996453835.

It is an arithmetic number, because the mean of its divisors is an integer number (1930285879368).

Almost surely, 2^{21900552003340} is an apocalyptic number.

21900552003340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21900552003340 is an abundant number, since it is smaller than the sum of its proper divisors (24426309101492).

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

21900552003340 is a wasteful number, since it uses less digits than its factorization.

21900552003340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7992902337 (or 7992902335 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 21900552003340 in words is "twenty-one trillion, nine hundred billion, five hundred fifty-two million, three thousand, three hundred forty".