21140453346332 has 24 divisors (see below), whose sum is σ = 39406579488864. Its totient is φ = 9888877079552.

The previous prime is 21140453346223. The next prime is 21140453346347. The reversal of 21140453346332 is 23364335404112.

It is a self number, because there is not a number n which added to its sum of digits gives 21140453346332.

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, 930794093 + ... + 930816804.

It is an arithmetic number, because the mean of its divisors is an integer number (1641940812036).

Almost surely, 2^{21140453346332} is an apocalyptic number.

It is an amenable number.

21140453346332 is a deficient number, since it is larger than the sum of its proper divisors (18266126142532).

21140453346332 is a wasteful number, since it uses less digits than its factorization.

21140453346332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861611085 (or 1861611083 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 41.

The spelling of 21140453346332 in words is "twenty-one trillion, one hundred forty billion, four hundred fifty-three million, three hundred forty-six thousand, three hundred thirty-two".