3244340736 has 320 divisors, whose sum is σ = 11824243200. Its totient is φ = 855318528.

The previous prime is 3244340731. The next prime is 3244340747. The reversal of 3244340736 is 6370434423.

3244340736 is a `hidden beast` number, since 3 + 244 + 3 + 407 + 3 + 6 = 666.

It is a super-2 number, since 2×3244340736² = 21051493622538043392, which contains 22 as substring.

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 3244340736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3244340731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1256695 + ... + 1259273.

It is an arithmetic number, because the mean of its divisors is an integer number (36950760).

Almost surely, 2^3244340736 is an apocalyptic number.

3244340736 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 3244340736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5912121600).

3244340736 is an abundant number, since it is smaller than the sum of its proper divisors (8579902464).

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

3244340736 is a wasteful number, since it uses less digits than its factorization.

3244340736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626 (or 2604 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 36.

The square root of 3244340736 is about 56959.1145998601. The cubic root of 3244340736 is about 1480.3877630178.

The spelling of 3244340736 in words is "three billion, two hundred forty-four million, three hundred forty thousand, seven hundred thirty-six".