3256120620480 has 1792 divisors, whose sum is σ = 13727575572480. Its totient is φ = 638975361024.

The previous prime is 3256120620451. The next prime is 3256120620491. The reversal of 3256120620480 is 840260216523.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 14601437649 + ... + 14601437871.

It is an arithmetic number, because the mean of its divisors is an integer number (7660477440).

Almost surely, 2^{3256120620480} is an apocalyptic number.

3256120620480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3256120620480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6863787786240).

3256120620480 is an abundant number, since it is smaller than the sum of its proper divisors (10471454952000).

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

3256120620480 is a wasteful number, since it uses less digits than its factorization.

3256120620480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 3256120620480 in words is "three trillion, two hundred fifty-six billion, one hundred twenty million, six hundred twenty thousand, four hundred eighty".