4042323012 has 72 divisors (see below), whose sum is σ = 11816043456. Its totient is φ = 1066105152.

The previous prime is 4042322981. The next prime is 4042323013. The reversal of 4042323012 is 2103232404.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 4042323012.

It is not an unprimeable number, because it can be changed into a prime (4042323013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256768 + ... + 272055.

Almost surely, 2^4042323012 is an apocalyptic number.

4042323012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4042323012 is an abundant number, since it is smaller than the sum of its proper divisors (7773720444).

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

4042323012 is a wasteful number, since it uses less digits than its factorization.

4042323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528857 (or 528848 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4042323012 is about 63579.2655824208. The cubic root of 4042323012 is about 1592.9800541234.

Adding to 4042323012 its reverse (2103232404), we get a palindrome (6145555416).

The spelling of 4042323012 in words is "four billion, forty-two million, three hundred twenty-three thousand, twelve".