3940747776 has 360 divisors, whose sum is σ = 13681160064. Its totient is φ = 1087672320.

The previous prime is 3940747753. The next prime is 3940747819. The reversal of 3940747776 is 6777470493.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6999271 + ... + 6999833.

Almost surely, 2^3940747776 is an apocalyptic number.

3940747776 is a gapful number since it is divisible by the number (36) 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 3940747776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6840580032).

3940747776 is an abundant number, since it is smaller than the sum of its proper divisors (9740412288).

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

3940747776 is a wasteful number, since it uses less digits than its factorization.

3940747776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 6223392, while the sum is 54.

The square root of 3940747776 is about 62775.3755544322. The cubic root of 3940747776 is about 1579.5239413920.

The spelling of 3940747776 in words is "three billion, nine hundred forty million, seven hundred forty-seven thousand, seven hundred seventy-six".