2003442440 has 16 divisors (see below), whose sum is σ = 4507745580. Its totient is φ = 801376960.

The previous prime is 2003442437. The next prime is 2003442443. The reversal of 2003442440 is 442443002.

It is an interprime number because it is at equal distance from previous prime (2003442437) and next prime (2003442443).

It can be written as a sum of positive squares in 2 ways, for example, as 1969406884 + 34035556 = 44378^2 + 5834^2 .

It is a super-2 number, since 2×2003442440² = 8027563220786307200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2003442443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25042991 + ... + 25043070.

Almost surely, 2^2003442440 is an apocalyptic number.

2003442440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003442440 is an abundant number, since it is smaller than the sum of its proper divisors (2504303140).

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

2003442440 is a wasteful number, since it uses less digits than its factorization.

2003442440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50086072 (or 50086068 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 2003442440 is about 44759.8306520478. The cubic root of 2003442440 is about 1260.6435026564.

Adding to 2003442440 its reverse (442443002), we get a palindrome (2445885442).

The spelling of 2003442440 in words is "two billion, three million, four hundred forty-two thousand, four hundred forty".