4040205412 has 24 divisors (see below), whose sum is σ = 7317790200. Its totient is φ = 1949477376.

The previous prime is 4040205347. The next prime is 4040205413. The reversal of 4040205412 is 2145020404.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1025536576 + 3014668836 = 32024^2 + 54906^2 .

It is not an unprimeable number, because it can be changed into a prime (4040205413) 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 7 ways as a sum of consecutive naturals, for example, 263164 + ... + 278092.

It is an arithmetic number, because the mean of its divisors is an integer number (304907925).

Almost surely, 2^4040205412 is an apocalyptic number.

It is an amenable number.

4040205412 is a deficient number, since it is larger than the sum of its proper divisors (3277584788).

4040205412 is a wasteful number, since it uses less digits than its factorization.

4040205412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17295 (or 17293 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 4040205412 is about 63562.6101729625. The cubic root of 4040205412 is about 1592.7018408481.

Adding to 4040205412 its reverse (2145020404), we get a palindrome (6185225816).

The spelling of 4040205412 in words is "four billion, forty million, two hundred five thousand, four hundred twelve".