3963257740 has 144 divisors (see below), whose sum is σ = 9494412480. Its totient is φ = 1379750400.

The previous prime is 3963257717. The next prime is 3963257777. The reversal of 3963257740 is 477523693.

It is a congruent number.

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, 26246665 + ... + 26246815.

It is an arithmetic number, because the mean of its divisors is an integer number (65933420).

Almost surely, 2^3963257740 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 3963257740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4747206240).

3963257740 is an abundant number, since it is smaller than the sum of its proper divisors (5531154740).

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

3963257740 is a wasteful number, since it uses less digits than its factorization.

3963257740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 46.

The square root of 3963257740 is about 62954.4100123256. The cubic root of 3963257740 is about 1582.5257018937.

The spelling of 3963257740 in words is "three billion, nine hundred sixty-three million, two hundred fifty-seven thousand, seven hundred forty".