3960699603840 has 768 divisors, whose sum is σ = 16594458336000. Its totient is φ = 889947426816.

The previous prime is 3960699603767. The next prime is 3960699603841. The reversal of 3960699603840 is 483069960693.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3960699603841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 49916839 + ... + 49996121.

It is an arithmetic number, because the mean of its divisors is an integer number (21607367625).

Almost surely, 2^{3960699603840} is an apocalyptic number.

3960699603840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3960699603840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8297229168000).

3960699603840 is an abundant number, since it is smaller than the sum of its proper divisors (12633758732160).

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

3960699603840 is a wasteful number, since it uses less digits than its factorization.

3960699603840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79384 (or 79359 counting only the distinct ones).

The product of its (nonzero) digits is 45349632, while the sum is 63.

The spelling of 3960699603840 in words is "three trillion, nine hundred sixty billion, six hundred ninety-nine million, six hundred three thousand, eight hundred forty".