3930022640 has 40 divisors (see below), whose sum is σ = 9197842848. Its totient is φ = 1561593600.

The previous prime is 3930022639. The next prime is 3930022699. The reversal of 3930022640 is 462200393.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150587 + ... + 174746.

Almost surely, 2^3930022640 is an apocalyptic number.

It is an amenable number.

3930022640 is an abundant number, since it is smaller than the sum of its proper divisors (5267820208).

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

3930022640 is a wasteful number, since it uses less digits than its factorization.

3930022640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325497 (or 325491 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 3930022640 is about 62689.8926462632. The cubic root of 3930022640 is about 1578.0896957576.

The spelling of 3930022640 in words is "three billion, nine hundred thirty million, twenty-two thousand, six hundred forty".