2040424242420 has 24 divisors (see below), whose sum is σ = 5713187878944. Its totient is φ = 544113131296.

The previous prime is 2040424242397. The next prime is 2040424242421. The reversal of 2040424242420 is 242424240402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040424242421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17003535294 + ... + 17003535413.

It is an arithmetic number, because the mean of its divisors is an integer number (238049494956).

Almost surely, 2^{2040424242420} is an apocalyptic number.

2040424242420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040424242420 is an abundant number, since it is smaller than the sum of its proper divisors (3672763636524).

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

2040424242420 is a wasteful number, since it uses less digits than its factorization.

2040424242420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34007070719 (or 34007070717 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 2040424242420 its reverse (242424240402), we get a palindrome (2282848482822).

The spelling of 2040424242420 in words is "two trillion, forty billion, four hundred twenty-four million, two hundred forty-two thousand, four hundred twenty".