240024020440 has 64 divisors (see below), whose sum is σ = 566329903200. Its totient is φ = 91429051392.

The previous prime is 240024020407. The next prime is 240024020507. The reversal of 240024020440 is 44020420042.

It is a super-2 number, since 2×240024020440² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1332562 + ... + 1501921.

Almost surely, 2^240024020440 is an apocalyptic number.

240024020440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240024020440 is an abundant number, since it is smaller than the sum of its proper divisors (326305882760).

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

240024020440 is a wasteful number, since it uses less digits than its factorization.

240024020440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834596 (or 2834592 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 240024020440 its reverse (44020420042), we get a palindrome (284044440482).

The spelling of 240024020440 in words is "two hundred forty billion, twenty-four million, twenty thousand, four hundred forty".