21633276442410 has 32 divisors (see below), whose sum is σ = 57688737180480. Its totient is φ = 5768873717904.

The previous prime is 21633276442409. The next prime is 21633276442417. The reversal of 21633276442410 is 1424467233612.

21633276442410 is a `hidden beast` number, since 2 + 1 + 6 + 332 + 76 + 4 + 4 + 241 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (21633276442417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40061622772 + ... + 40061623311.

It is an arithmetic number, because the mean of its divisors is an integer number (1802773036890).

Almost surely, 2^{21633276442410} is an apocalyptic number.

21633276442410 is an abundant number, since it is smaller than the sum of its proper divisors (36055460738070).

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

21633276442410 is a wasteful number, since it uses less digits than its factorization.

21633276442410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80123246099 (or 80123246093 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The spelling of 21633276442410 in words is "twenty-one trillion, six hundred thirty-three billion, two hundred seventy-six million, four hundred forty-two thousand, four hundred ten".