21884132099040 has 48 divisors (see below), whose sum is σ = 68935016113488. Its totient is φ = 5835768559616.

The previous prime is 21884132099003. The next prime is 21884132099051. The reversal of 21884132099040 is 4099023148812.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 22795970457 + ... + 22795971416.

It is an arithmetic number, because the mean of its divisors is an integer number (1436146169031).

Almost surely, 2^{21884132099040} is an apocalyptic number.

21884132099040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21884132099040 is an abundant number, since it is smaller than the sum of its proper divisors (47050884014448).

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

21884132099040 is a wasteful number, since it uses less digits than its factorization.

21884132099040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45591941891 (or 45591941883 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 21884132099040 in words is "twenty-one trillion, eight hundred eighty-four billion, one hundred thirty-two million, ninety-nine thousand, forty".