240424400020 has 24 divisors (see below), whose sum is σ = 577018560384. Its totient is φ = 82431222816.

The previous prime is 240424399987. The next prime is 240424400023. The reversal of 240424400020 is 20004424042.

It is a junction number, because it is equal to n+sod(n) for n = 240424399964 and 240424400000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240424400023) 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, 858658432 + ... + 858658711.

It is an arithmetic number, because the mean of its divisors is an integer number (24042440016).

Almost surely, 2^240424400020 is an apocalyptic number.

240424400020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240424400020 is an abundant number, since it is smaller than the sum of its proper divisors (336594160364).

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

240424400020 is a wasteful number, since it uses less digits than its factorization.

240424400020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717317159 (or 1717317157 counting only the distinct ones).

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

Adding to 240424400020 its reverse (20004424042), we get a palindrome (260428824062).

The spelling of 240424400020 in words is "two hundred forty billion, four hundred twenty-four million, four hundred thousand, twenty".