4040840944 has 20 divisors (see below), whose sum is σ = 8947576624. Its totient is φ = 1731788928.

The previous prime is 4040840927. The next prime is 4040840957. The reversal of 4040840944 is 4490480404.

It is a super-2 number, since 2×4040840944² = 32656791069413622272, which contains 22 as substring.

It is a congruent number.

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, 18039357 + ... + 18039580.

Almost surely, 2^4040840944 is an apocalyptic number.

It is an amenable number.

4040840944 is an abundant number, since it is smaller than the sum of its proper divisors (4906735680).

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

4040840944 is a wasteful number, since it uses less digits than its factorization.

4040840944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36078952 (or 36078946 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The square root of 4040840944 is about 63567.6092361511. The cubic root of 4040840944 is about 1592.7853481464.

The spelling of 4040840944 in words is "four billion, forty million, eight hundred forty thousand, nine hundred forty-four".