3318644825408 has 112 divisors (see below), whose sum is σ = 7221222283968. Its totient is φ = 1500688896000.

The previous prime is 3318644825351. The next prime is 3318644825411. The reversal of 3318644825408 is 8045284468133.

It is a super-2 number, since 2×3318644825408² (a number of 26 digits) contains 22 as substring.

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, 653145428 + ... + 653150508.

It is an arithmetic number, because the mean of its divisors is an integer number (64475198964).

Almost surely, 2^{3318644825408} 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 3318644825408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3610611141984).

3318644825408 is an abundant number, since it is smaller than the sum of its proper divisors (3902577458560).

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

3318644825408 is a wasteful number, since it uses less digits than its factorization.

3318644825408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9712 (or 9702 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 56.

The spelling of 3318644825408 in words is "three trillion, three hundred eighteen billion, six hundred forty-four million, eight hundred twenty-five thousand, four hundred eight".