3180941920 has 96 divisors (see below), whose sum is σ = 8129909088. Its totient is φ = 1169154048.

The previous prime is 3180941917. The next prime is 3180941957. The reversal of 3180941920 is 291490813.

It is a self number, because there is not a number n which added to its sum of digits gives 3180941920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468792 + ... + 475528.

It is an arithmetic number, because the mean of its divisors is an integer number (84686553).

Almost surely, 2^3180941920 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 3180941920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4064954544).

3180941920 is an abundant number, since it is smaller than the sum of its proper divisors (4948967168).

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

3180941920 is a wasteful number, since it uses less digits than its factorization.

3180941920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6992 (or 6984 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 3180941920 is about 56399.8397160843. The cubic root of 3180941920 is about 1470.6813322384.

The spelling of 3180941920 in words is "three billion, one hundred eighty million, nine hundred forty-one thousand, nine hundred twenty".