4040370 has 24 divisors (see below), whose sum is σ = 10505196. Its totient is φ = 1077408.

The previous prime is 4040359. The next prime is 4040371. The reversal of 4040370 is 730404.

It can be written as a sum of positive squares in 2 ways, for example, as 4028049 + 12321 = 2007^2 + 111^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4040371) 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 in 11 ways as a sum of consecutive naturals, for example, 22357 + ... + 22536.

Almost surely, 2^4040370 is an apocalyptic number.

4040370 is an abundant number, since it is smaller than the sum of its proper divisors (6464826).

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

4040370 is a wasteful number, since it uses less digits than its factorization.

4040370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44906 (or 44903 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 4040370 is about 2010.0671630570. The cubic root of 4040370 is about 159.2723468135.

Adding to 4040370 its reverse (730404), we get a palindrome (4770774).

The spelling of 4040370 in words is "four million, forty thousand, three hundred seventy".