3946504380272 has 20 divisors (see below), whose sum is σ = 7893008761536. Its totient is φ = 1909598893440.

The previous prime is 3946504380263. The next prime is 3946504380281. The reversal of 3946504380272 is 2720834056493.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3946504380263) and next prime (3946504380281).

3946504380272 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3978330533 + ... + 3978331524.

Almost surely, 2^{3946504380272} is an apocalyptic number.

It is an amenable number.

3946504380272 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3946504380272 is a wasteful number, since it uses less digits than its factorization.

3946504380272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7956662096 (or 7956662090 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 53.

The spelling of 3946504380272 in words is "three trillion, nine hundred forty-six billion, five hundred four million, three hundred eighty thousand, two hundred seventy-two".