4040123784 has 16 divisors (see below), whose sum is σ = 10100309520. Its totient is φ = 1346707920.

The previous prime is 4040123779. The next prime is 4040123833. The reversal of 4040123784 is 4873210404.

4040123784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84169222 + ... + 84169269.

It is an arithmetic number, because the mean of its divisors is an integer number (631269345).

Almost surely, 2^4040123784 is an apocalyptic number.

It is an amenable number.

4040123784 is an abundant number, since it is smaller than the sum of its proper divisors (6060185736).

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

4040123784 is a wasteful number, since it uses less digits than its factorization.

4040123784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168338500 (or 168338496 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 4040123784 is about 63561.9680626709. The cubic root of 4040123784 is about 1592.6911145006.

The spelling of 4040123784 in words is "four billion, forty million, one hundred twenty-three thousand, seven hundred eighty-four".