3963799540 has 48 divisors (see below), whose sum is σ = 8473135104. Its totient is φ = 1557360000.

The previous prime is 3963799523. The next prime is 3963799583. The reversal of 3963799540 is 459973693.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248815 + ... + 264265.

It is an arithmetic number, because the mean of its divisors is an integer number (176523648).

Almost surely, 2^3963799540 is an apocalyptic number.

It is an amenable number.

3963799540 is an abundant number, since it is smaller than the sum of its proper divisors (4509335564).

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

3963799540 is a wasteful number, since it uses less digits than its factorization.

3963799540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15688 (or 15686 counting only the distinct ones).

The product of its (nonzero) digits is 5511240, while the sum is 55.

The square root of 3963799540 is about 62958.7129792215. The cubic root of 3963799540 is about 1582.5978120459.

The spelling of 3963799540 in words is "three billion, nine hundred sixty-three million, seven hundred ninety-nine thousand, five hundred forty".