3309901056 has 432 divisors, whose sum is σ = 12356617728. Its totient is φ = 858470400.

The previous prime is 3309900991. The next prime is 3309901087. The reversal of 3309901056 is 6501099033.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3309901056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4789671 + ... + 4790361.

Almost surely, 2^3309901056 is an apocalyptic number.

3309901056 is a gapful number since it is divisible by the number (36) 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 3309901056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6178308864).

3309901056 is an abundant number, since it is smaller than the sum of its proper divisors (9046716672).

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

3309901056 is an equidigital number, since it uses as much as digits as its factorization.

3309901056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 36.

The square root of 3309901056 is about 57531.7395530502. The cubic root of 3309901056 is about 1490.2930306667.

The spelling of 3309901056 in words is "three billion, three hundred nine million, nine hundred one thousand, fifty-six".