240402022420 has 48 divisors (see below), whose sum is σ = 578121264000. Its totient is φ = 82258349184.

The previous prime is 240402022313. The next prime is 240402022423. The reversal of 240402022420 is 24220204042.

It is a happy number.

240402022420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 240402022391 and 240402022400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240402022423) 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, 1650739 + ... + 1790458.

It is an arithmetic number, because the mean of its divisors is an integer number (12044193000).

Almost surely, 2^240402022420 is an apocalyptic number.

240402022420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240402022420 is an abundant number, since it is smaller than the sum of its proper divisors (337719241580).

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

240402022420 is a wasteful number, since it uses less digits than its factorization.

240402022420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3441712 (or 3441710 counting only the distinct ones).

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

Adding to 240402022420 its reverse (24220204042), we get a palindrome (264622226462).

The spelling of 240402022420 in words is "two hundred forty billion, four hundred two million, twenty-two thousand, four hundred twenty".