3321653426240 has 112 divisors (see below), whose sum is σ = 7955433619200. Its totient is φ = 1320987064320.

The previous prime is 3321653426197. The next prime is 3321653426261. The reversal of 3321653426240 is 426243561233.

It is a super-2 number, since 2×3321653426240² (a number of 26 digits) contains 22 as substring.

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, 87413645 + ... + 87451635.

Almost surely, 2^{3321653426240} 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 3321653426240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3977716809600).

3321653426240 is an abundant number, since it is smaller than the sum of its proper divisors (4633780192960).

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

3321653426240 is a wasteful number, since it uses less digits than its factorization.

3321653426240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39580 (or 39570 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 41.

Adding to 3321653426240 its reverse (426243561233), we get a palindrome (3747896987473).

The spelling of 3321653426240 in words is "three trillion, three hundred twenty-one billion, six hundred fifty-three million, four hundred twenty-six thousand, two hundred forty".