2440044440 has 32 divisors (see below), whose sum is σ = 5493620880. Its totient is φ = 975391872.

The previous prime is 2440044389. The next prime is 2440044457. The reversal of 2440044440 is 444400442.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46334 + ... + 83826.

Almost surely, 2^2440044440 is an apocalyptic number.

2440044440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440044440 is an abundant number, since it is smaller than the sum of its proper divisors (3053576440).

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

2440044440 is a wasteful number, since it uses less digits than its factorization.

2440044440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39131 (or 39127 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 2440044440 is about 49396.8059696171. The cubic root of 2440044440 is about 1346.2712726182.

Adding to 2440044440 its reverse (444400442), we get a palindrome (2884444882).

The spelling of 2440044440 in words is "two billion, four hundred forty million, forty-four thousand, four hundred forty".