2440520440 has 32 divisors (see below), whose sum is σ = 5496432480. Its totient is φ = 975272832.

The previous prime is 2440520399. The next prime is 2440520461. The reversal of 2440520440 is 440250442.

It is a happy number.

It is a super-2 number, since 2×2440520440² = 11912280036115587200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13822 + ... + 71218.

It is an arithmetic number, because the mean of its divisors is an integer number (171763515).

Almost surely, 2^2440520440 is an apocalyptic number.

2440520440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440520440 is an abundant number, since it is smaller than the sum of its proper divisors (3055912040).

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

2440520440 is a wasteful number, since it uses less digits than its factorization.

2440520440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58471 (or 58467 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 2440520440 is about 49401.6238599502. The cubic root of 2440520440 is about 1346.3588097479.

Adding to 2440520440 its reverse (440250442), we get a palindrome (2880770882).

The spelling of 2440520440 in words is "two billion, four hundred forty million, five hundred twenty thousand, four hundred forty".