4089042940 has 24 divisors (see below), whose sum is σ = 8608002480. Its totient is φ = 1631614848.

The previous prime is 4089042931. The next prime is 4089042977. The reversal of 4089042940 is 492409804.

It is a junction number, because it is equal to n+sod(n) for n = 4089042893 and 4089042902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241762 + ... + 258121.

It is an arithmetic number, because the mean of its divisors is an integer number (358666770).

Almost surely, 2^4089042940 is an apocalyptic number.

It is an amenable number.

4089042940 is an abundant number, since it is smaller than the sum of its proper divisors (4518959540).

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

4089042940 is a wasteful number, since it uses less digits than its factorization.

4089042940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500301 (or 500299 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 4089042940 is about 63945.6248698846. The cubic root of 4089042940 is about 1599.0936194559.

The spelling of 4089042940 in words is "four billion, eighty-nine million, forty-two thousand, nine hundred forty".