21339064444302 has 96 divisors (see below), whose sum is σ = 51342932833920. Its totient is φ = 6350553864000.

The previous prime is 21339064444273. The next prime is 21339064444319. The reversal of 21339064444302 is 20344446093312.

21339064444302 is a `hidden beast` number, since 2 + 1 + 33 + 90 + 64 + 44 + 430 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11032777 + ... + 12821867.

It is an arithmetic number, because the mean of its divisors is an integer number (534822217020).

Almost surely, 2^{21339064444302} is an apocalyptic number.

21339064444302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 21339064444302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25671466416960).

21339064444302 is an abundant number, since it is smaller than the sum of its proper divisors (30003868389618).

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

21339064444302 is a wasteful number, since it uses less digits than its factorization.

21339064444302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790190 (or 1790187 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 45.

The spelling of 21339064444302 in words is "twenty-one trillion, three hundred thirty-nine billion, sixty-four million, four hundred forty-four thousand, three hundred two".