3966290440 has 64 divisors (see below), whose sum is σ = 10205596800. Its totient is φ = 1358995968.

The previous prime is 3966290437. The next prime is 3966290543. The reversal of 3966290440 is 440926693.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552796 + ... + 559924.

It is an arithmetic number, because the mean of its divisors is an integer number (159462450).

Almost surely, 2^3966290440 is an apocalyptic number.

It is an amenable number.

3966290440 is an abundant number, since it is smaller than the sum of its proper divisors (6239306360).

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

3966290440 is a wasteful number, since it uses less digits than its factorization.

3966290440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9134 (or 9130 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 43.

The square root of 3966290440 is about 62978.4918841345. The cubic root of 3966290440 is about 1582.9292505546.

The spelling of 3966290440 in words is "three billion, nine hundred sixty-six million, two hundred ninety thousand, four hundred forty".