3872641456 has 20 divisors (see below), whose sum is σ = 7504535304. Its totient is φ = 1935987200.

The previous prime is 3872641433. The next prime is 3872641481. The reversal of 3872641456 is 6541462783.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94176 + ... + 128896.

Almost surely, 2^3872641456 is an apocalyptic number.

It is an amenable number.

3872641456 is a deficient number, since it is larger than the sum of its proper divisors (3631893848).

3872641456 is a wasteful number, since it uses less digits than its factorization.

3872641456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41700 (or 41694 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The square root of 3872641456 is about 62230.5508251373. The cubic root of 3872641456 is about 1570.3715912196.

The spelling of 3872641456 in words is "three billion, eight hundred seventy-two million, six hundred forty-one thousand, four hundred fifty-six".