2440003444 has 6 divisors (see below), whose sum is σ = 4270006034. Its totient is φ = 1220001720.

The previous prime is 2440003429. The next prime is 2440003451. The reversal of 2440003444 is 4443000442.

It can be written as a sum of positive squares in only one way, i.e., 2341398544 + 98604900 = 48388^2 + 9930^2 .

It is a super-2 number, since 2×2440003444² = 11907233613463722272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305000427 + ... + 305000434.

Almost surely, 2^2440003444 is an apocalyptic number.

It is an amenable number.

2440003444 is a deficient number, since it is larger than the sum of its proper divisors (1830002590).

2440003444 is a wasteful number, since it uses less digits than its factorization.

2440003444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610000865 (or 610000863 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 2440003444 is about 49396.3910017726. The cubic root of 2440003444 is about 1346.2637328585.

Adding to 2440003444 its reverse (4443000442), we get a palindrome (6883003886).

The spelling of 2440003444 in words is "two billion, four hundred forty million, three thousand, four hundred forty-four".