4244040 has 48 divisors (see below), whose sum is σ = 13794300. Its totient is φ = 1131648.

The previous prime is 4244027. The next prime is 4244059. The reversal of 4244040 is 404424.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3663396 + 580644 = 1914^2 + 762^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5535 + ... + 6254.

Almost surely, 2^4244040 is an apocalyptic number.

4244040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4244040 is an abundant number, since it is smaller than the sum of its proper divisors (9550260).

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

4244040 is a wasteful number, since it uses less digits than its factorization.

4244040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11806 (or 11799 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 4244040 is about 2060.1067933483. The cubic root of 4244040 is about 161.9048366562.

Adding to 4244040 its reverse (404424), we get a palindrome (4648464).

The spelling of 4244040 in words is "four million, two hundred forty-four thousand, forty".