240422420 has 96 divisors (see below), whose sum is σ = 596332800. Its totient is φ = 81379200.

The previous prime is 240422393. The next prime is 240422423. The reversal of 240422420 is 24224042.

240422420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 240422392 and 240422401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240422423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 692687 + ... + 693033.

It is an arithmetic number, because the mean of its divisors is an integer number (6211800).

Almost surely, 2^240422420 is an apocalyptic number.

240422420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240422420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298166400).

240422420 is an abundant number, since it is smaller than the sum of its proper divisors (355910380).

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

240422420 is a wasteful number, since it uses less digits than its factorization.

240422420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 240422420 is about 15505.5609379345. The cubic root of 240422420 is about 621.8108867011.

Adding to 240422420 its reverse (24224042), we get a palindrome (264646462).

It can be divided in two parts, 24042 and 2420, that added together give a palindrome (26462).

The spelling of 240422420 in words is "two hundred forty million, four hundred twenty-two thousand, four hundred twenty".