339447569664 has 144 divisors (see below), whose sum is σ = 1032792647040. Its totient is φ = 96956252160.

The previous prime is 339447569639. The next prime is 339447569711. The reversal of 339447569664 is 466965744933.

It is a super-2 number, since 2×339447569664² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 339447569595 and 339447569604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23695624 + ... + 23709944.

It is an arithmetic number, because the mean of its divisors is an integer number (7172171160).

Almost surely, 2^339447569664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 339447569664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516396323520).

339447569664 is an abundant number, since it is smaller than the sum of its proper divisors (693345077376).

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

339447569664 is a wasteful number, since it uses less digits than its factorization.

339447569664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18756 (or 18742 counting only the distinct ones).

The product of its digits is 352719360, while the sum is 66.

The spelling of 339447569664 in words is "three hundred thirty-nine billion, four hundred forty-seven million, five hundred sixty-nine thousand, six hundred sixty-four".