4047872642 has 16 divisors (see below), whose sum is σ = 6624770112. Its totient is φ = 1839670320.

The previous prime is 4047872627. The next prime is 4047872657. The reversal of 4047872642 is 2462787404.

It is an interprime number because it is at equal distance from previous prime (4047872627) and next prime (4047872657).

It is a junction number, because it is equal to n+sod(n) for n = 4047872593 and 4047872602.

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 7 ways as a sum of consecutive naturals, for example, 273443 + ... + 287865.

It is an arithmetic number, because the mean of its divisors is an integer number (414048132).

Almost surely, 2^4047872642 is an apocalyptic number.

4047872642 is a deficient number, since it is larger than the sum of its proper divisors (2576897470).

4047872642 is a wasteful number, since it uses less digits than its factorization.

4047872642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27193.

The product of its (nonzero) digits is 602112, while the sum is 44.

The square root of 4047872642 is about 63622.8940083678. The cubic root of 4047872642 is about 1593.7087116573.

The spelling of 4047872642 in words is "four billion, forty-seven million, eight hundred seventy-two thousand, six hundred forty-two".