3944981190 has 64 divisors (see below), whose sum is σ = 9685785600. Its totient is φ = 1027868160.

The previous prime is 3944981177. The next prime is 3944981213. The reversal of 3944981190 is 911894493.

3944981190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3944981190² = 31125753178907632200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 972286 + ... + 976334.

It is an arithmetic number, because the mean of its divisors is an integer number (151340400).

Almost surely, 2^3944981190 is an apocalyptic number.

3944981190 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3944981190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4842892800).

3944981190 is an abundant number, since it is smaller than the sum of its proper divisors (5740804410).

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

3944981190 is a wasteful number, since it uses less digits than its factorization.

3944981190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4797.

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 3944981190 is about 62809.0852504636. The cubic root of 3944981190 is about 1580.0893489503.

The spelling of 3944981190 in words is "three billion, nine hundred forty-four million, nine hundred eighty-one thousand, one hundred ninety".