4144040 has 32 divisors (see below), whose sum is σ = 9387360. Its totient is φ = 1646400.

The previous prime is 4144031. The next prime is 4144043. The reversal of 4144040 is 404414.

4144040 = 270² + 271² + ... + 317².

It is not an unprimeable number, because it can be changed into a prime (4144043) 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, 8195 + ... + 8685.

It is an arithmetic number, because the mean of its divisors is an integer number (293355).

Almost surely, 2^4144040 is an apocalyptic number.

4144040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4144040 is an abundant number, since it is smaller than the sum of its proper divisors (5243320).

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

4144040 is a wasteful number, since it uses less digits than its factorization.

4144040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 4144040 is about 2035.6915286949. The cubic root of 4144040 is about 160.6230911672.

Adding to 4144040 its reverse (404414), we get a palindrome (4548454).

The spelling of 4144040 in words is "four million, one hundred forty-four thousand, forty".