3081044736 has 432 divisors, whose sum is σ = 11576234880. Its totient is φ = 799303680.

The previous prime is 3081044699. The next prime is 3081044803. The reversal of 3081044736 is 6374401803.

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 3081044736.

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, 3725155 + ... + 3725981.

It is an arithmetic number, because the mean of its divisors is an integer number (26796840).

Almost surely, 2^3081044736 is an apocalyptic number.

3081044736 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 3081044736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5788117440).

3081044736 is an abundant number, since it is smaller than the sum of its proper divisors (8495190144).

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

3081044736 is a wasteful number, since it uses less digits than its factorization.

3081044736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 3081044736 is about 55507.1593220190. The cubic root of 3081044736 is about 1455.1217583302.

The spelling of 3081044736 in words is "three billion, eighty-one million, forty-four thousand, seven hundred thirty-six".