3913256448 has 240 divisors, whose sum is σ = 11903988096. Its totient is φ = 1283143680.

The previous prime is 3913256447. The next prime is 3913256453. The reversal of 3913256448 is 8446523193.

3913256448 is a `hidden beast` number, since 39 + 13 + 2 + 564 + 48 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3913256441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8833315 + ... + 8833757.

Almost surely, 2^3913256448 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 3913256448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5951994048).

3913256448 is an abundant number, since it is smaller than the sum of its proper divisors (7990731648).

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

3913256448 is an frugal number, since it uses more digits than its factorization.

3913256448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 519 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 3913256448 is about 62556.0264722752. The cubic root of 3913256448 is about 1575.8423575647.

The spelling of 3913256448 in words is "three billion, nine hundred thirteen million, two hundred fifty-six thousand, four hundred forty-eight".