3390386528256 has 896 divisors, whose sum is σ = 11883667246080. Its totient is φ = 834737799168.

The previous prime is 3390386528239. The next prime is 3390386528267. The reversal of 3390386528256 is 6528256830933.

It is a tau number, because it is divible by the number of its divisors (896).

It is a super-2 number, since 2×3390386528256² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3390386528256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3101908446 + ... + 3101909538.

It is an arithmetic number, because the mean of its divisors is an integer number (13263021480).

Almost surely, 2^{3390386528256} 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 3390386528256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5941833623040).

3390386528256 is an abundant number, since it is smaller than the sum of its proper divisors (8493280717824).

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

3390386528256 is a wasteful number, since it uses less digits than its factorization.

3390386528256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 55987200, while the sum is 60.

The spelling of 3390386528256 in words is "three trillion, three hundred ninety billion, three hundred eighty-six million, five hundred twenty-eight thousand, two hundred fifty-six".