240420424420 has 48 divisors (see below), whose sum is σ = 554079512448. Its totient is φ = 86902088960.

The previous prime is 240420424411. The next prime is 240420424463. The reversal of 240420424420 is 24424024042.

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, 3235177 + ... + 3308656.

It is an arithmetic number, because the mean of its divisors is an integer number (11543323176).

Almost surely, 2^240420424420 is an apocalyptic number.

240420424420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240420424420 is an abundant number, since it is smaller than the sum of its proper divisors (313659088028).

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

240420424420 is a wasteful number, since it uses less digits than its factorization.

240420424420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6544020 (or 6544018 counting only the distinct ones).

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

Adding to 240420424420 its reverse (24424024042), we get a palindrome (264844448462).

The spelling of 240420424420 in words is "two hundred forty billion, four hundred twenty million, four hundred twenty-four thousand, four hundred twenty".