3906875440 has 80 divisors (see below), whose sum is σ = 10097853696. Its totient is φ = 1395993600.

The previous prime is 3906875411. The next prime is 3906875477. The reversal of 3906875440 is 445786093.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28351 + ... + 92830.

Almost surely, 2^3906875440 is an apocalyptic number.

It is an amenable number.

3906875440 is an abundant number, since it is smaller than the sum of its proper divisors (6190978256).

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

3906875440 is a wasteful number, since it uses less digits than its factorization.

3906875440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121238 (or 121232 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 3906875440 is about 62505.0033197343. The cubic root of 3906875440 is about 1574.9853617519.

The spelling of 3906875440 in words is "three billion, nine hundred six million, eight hundred seventy-five thousand, four hundred forty".