4047940020 has 48 divisors (see below), whose sum is σ = 11597826240. Its totient is φ = 1054346496.

The previous prime is 4047940019. The next prime is 4047940033. The reversal of 4047940020 is 200497404.

4047940020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 4047940020.

It is a congruent number.

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, 781905 + ... + 787064.

It is an arithmetic number, because the mean of its divisors is an integer number (241621380).

Almost surely, 2^4047940020 is an apocalyptic number.

It is an amenable number.

4047940020 is an abundant number, since it is smaller than the sum of its proper divisors (7549886220).

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

4047940020 is a wasteful number, since it uses less digits than its factorization.

4047940020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569024 (or 1569022 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 4047940020 is about 63623.4235168149. The cubic root of 4047940020 is about 1593.7175541876.

The spelling of 4047940020 in words is "four billion, forty-seven million, nine hundred forty thousand, twenty".