4023312040 has 32 divisors (see below), whose sum is σ = 9875403360. Its totient is φ = 1463022400.

The previous prime is 4023311977. The next prime is 4023312043. The reversal of 4023312040 is 402133204.

It is a junction number, because it is equal to n+sod(n) for n = 4023311999 and 4023312017.

It is not an unprimeable number, because it can be changed into a prime (4023312043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4571506 + ... + 4572385.

It is an arithmetic number, because the mean of its divisors is an integer number (308606355).

Almost surely, 2^4023312040 is an apocalyptic number.

4023312040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4023312040 is an abundant number, since it is smaller than the sum of its proper divisors (5852091320).

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

4023312040 is a wasteful number, since it uses less digits than its factorization.

4023312040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9143913 (or 9143909 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4023312040 is about 63429.5833188269. The cubic root of 4023312040 is about 1590.4788768929.

Adding to 4023312040 its reverse (402133204), we get a palindrome (4425445244).

The spelling of 4023312040 in words is "four billion, twenty-three million, three hundred twelve thousand, forty".