4040423331 has 12 divisors (see below), whose sum is σ = 6266779272. Its totient is φ = 2308813248.

The previous prime is 4040423323. The next prime is 4040423357. The reversal of 4040423331 is 1333240404.

It is not a de Polignac number, because 4040423331 - 2³ = 4040423323 is a prime.

It is a super-2 number, since 2×4040423331² = 32650041387378271122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4040403331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13742790 + ... + 13743083.

It is an arithmetic number, because the mean of its divisors is an integer number (522231606).

Almost surely, 2^4040423331 is an apocalyptic number.

4040423331 is a deficient number, since it is larger than the sum of its proper divisors (2226355941).

4040423331 is a wasteful number, since it uses less digits than its factorization.

4040423331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27485890 (or 27485883 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 4040423331 is about 63564.3243572997. The cubic root of 4040423331 is about 1592.7304758404.

Adding to 4040423331 its reverse (1333240404), we get a palindrome (5373663735).

The spelling of 4040423331 in words is "four billion, forty million, four hundred twenty-three thousand, three hundred thirty-one".