2440240420420 has 48 divisors (see below), whose sum is σ = 5608344583296. Its totient is φ = 884506880000.

The previous prime is 2440240420411. The next prime is 2440240420421. The reversal of 2440240420420 is 240240420442.

It is not an unprimeable number, because it can be changed into a prime (2440240420421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17764381 + ... + 17901220.

It is an arithmetic number, because the mean of its divisors is an integer number (116840512152).

Almost surely, 2^{2440240420420} is an apocalyptic number.

2440240420420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440240420420 is an abundant number, since it is smaller than the sum of its proper divisors (3168104162876).

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

2440240420420 is a wasteful number, since it uses less digits than its factorization.

2440240420420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35665932 (or 35665930 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 2440240420420 its reverse (240240420442), we get a palindrome (2680480840862).

The spelling of 2440240420420 in words is "two trillion, four hundred forty billion, two hundred forty million, four hundred twenty thousand, four hundred twenty".