4044012 has 48 divisors (see below), whose sum is σ = 11139072. Its totient is φ = 1117440.

The previous prime is 4043999. The next prime is 4044013. The reversal of 4044012 is 2104404.

It is a super-2 number, since 2×4044012² = 32708066112288, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4043982 and 4044000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1828 + ... + 3380.

It is an arithmetic number, because the mean of its divisors is an integer number (232064).

Almost surely, 2^4044012 is an apocalyptic number.

4044012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4044012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5569536).

4044012 is an abundant number, since it is smaller than the sum of its proper divisors (7095060).

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

4044012 is a wasteful number, since it uses less digits than its factorization.

4044012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598 (or 1596 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 4044012 is about 2010.9728988726. The cubic root of 4044012 is about 159.3201886104.

Adding to 4044012 its reverse (2104404), we get a palindrome (6148416).

The spelling of 4044012 in words is "four million, forty-four thousand, twelve".