2440440440 has 32 divisors (see below), whose sum is σ = 5813992080. Its totient is φ = 918753792.

The previous prime is 2440440439. The next prime is 2440440463. The reversal of 2440440440 is 440440442.

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, 1793762 + ... + 1795121.

Almost surely, 2^2440440440 is an apocalyptic number.

2440440440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440440440 is an abundant number, since it is smaller than the sum of its proper divisors (3373551640).

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

2440440440 is a wasteful number, since it uses less digits than its factorization.

2440440440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3588911 (or 3588907 counting only the distinct ones).

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

The square root of 2440440440 is about 49400.8141633314. The cubic root of 2440440440 is about 1346.3440984211.

Adding to 2440440440 its reverse (440440442), we get a palindrome (2880880882).

The spelling of 2440440440 in words is "two billion, four hundred forty million, four hundred forty thousand, four hundred forty".