3940211648 has 28 divisors (see below), whose sum is σ = 7966389960. Its totient is φ = 1932932352.

The previous prime is 3940211633. The next prime is 3940211651. The reversal of 3940211648 is 8461120493.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577418 + ... + 584201.

Almost surely, 2^3940211648 is an apocalyptic number.

It is an amenable number.

3940211648 is an abundant number, since it is smaller than the sum of its proper divisors (4026178312).

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

3940211648 is a wasteful number, since it uses less digits than its factorization.

3940211648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161684 (or 1161674 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 3940211648 is about 62771.1051997653. The cubic root of 3940211648 is about 1579.4523081669.

The spelling of 3940211648 in words is "three billion, nine hundred forty million, two hundred eleven thousand, six hundred forty-eight".