4040775 has 18 divisors (see below), whose sum is σ = 7237880. Its totient is φ = 2154960.

The previous prime is 4040741. The next prime is 4040779. The reversal of 4040775 is 5770404.

It is not a de Polignac number, because 4040775 - 2¹⁶ = 3975239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040779) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8755 + ... + 9204.

Almost surely, 2^4040775 is an apocalyptic number.

4040775 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4040775 is a deficient number, since it is larger than the sum of its proper divisors (3197105).

4040775 is a wasteful number, since it uses less digits than its factorization.

4040775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17975 (or 17967 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 4040775 is about 2010.1679034349. The cubic root of 4040775 is about 159.2776683679.

The spelling of 4040775 in words is "four million, forty thousand, seven hundred seventy-five".