3944964580 has 24 divisors (see below), whose sum is σ = 8771745528. Its totient is φ = 1485163008.

The previous prime is 3944964559. The next prime is 3944964587. The reversal of 3944964580 is 854694493.

3944964580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 85821696 + 3859142884 = 9264^2 + 62122^2 .

It is not an unprimeable number, because it can be changed into a prime (3944964587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5801079 + ... + 5801758.

It is an arithmetic number, because the mean of its divisors is an integer number (365489397).

Almost surely, 2^3944964580 is an apocalyptic number.

It is an amenable number.

3944964580 is an abundant number, since it is smaller than the sum of its proper divisors (4826780948).

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

3944964580 is a wasteful number, since it uses less digits than its factorization.

3944964580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11602863 (or 11602861 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 52.

The square root of 3944964580 is about 62808.9530242306. The cubic root of 3944964580 is about 1580.0871313376.

The spelling of 3944964580 in words is "three billion, nine hundred forty-four million, nine hundred sixty-four thousand, five hundred eighty".