3149881344 has 280 divisors, whose sum is σ = 9705551328. Its totient is φ = 1017446400.

The previous prime is 3149881337. The next prime is 3149881369. The reversal of 3149881344 is 4431889413.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 3149881344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31186894 + ... + 31186994.

Almost surely, 2^3149881344 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 3149881344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4852775664).

3149881344 is an abundant number, since it is smaller than the sum of its proper divisors (6555669984).

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

3149881344 is an equidigital number, since it uses as much as digits as its factorization.

3149881344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 153 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 3149881344 is about 56123.8037199903. The cubic root of 3149881344 is about 1465.8788025625.

The spelling of 3149881344 in words is "three billion, one hundred forty-nine million, eight hundred eighty-one thousand, three hundred forty-four".