4040043776 has 18 divisors (see below), whose sum is σ = 8064306642. Its totient is φ = 2020021760.

The previous prime is 4040043767. The next prime is 4040043779. The reversal of 4040043776 is 6773400404.

It can be written as a sum of positive squares in only one way, i.e., 2548230400 + 1491813376 = 50480^2 + 38624^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040043779) by changing a digit.

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 as a sum of consecutive naturals, namely, 7890455 + ... + 7890966.

Almost surely, 2^4040043776 is an apocalyptic number.

It is an amenable number.

4040043776 is a deficient number, since it is larger than the sum of its proper divisors (4024262866).

4040043776 is an equidigital number, since it uses as much as digits as its factorization.

4040043776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15781437 (or 15781423 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 4040043776 is about 63561.3386894895. The cubic root of 4040043776 is about 1592.6806008894.

The spelling of 4040043776 in words is "four billion, forty million, forty-three thousand, seven hundred seventy-six".