240421303122 has 64 divisors (see below), whose sum is σ = 645606872064. Its totient is φ = 57643467840.

The previous prime is 240421303121. The next prime is 240421303147. The reversal of 240421303122 is 221303124042.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 240421303092 and 240421303101.

It is not an unprimeable number, because it can be changed into a prime (240421303121) 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, 20009088 + ... + 20021099.

It is an arithmetic number, because the mean of its divisors is an integer number (10087607376).

Almost surely, 2^240421303122 is an apocalyptic number.

240421303122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

240421303122 is an abundant number, since it is smaller than the sum of its proper divisors (405185568942).

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

240421303122 is a wasteful number, since it uses less digits than its factorization.

240421303122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40030223.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 240421303122 its reverse (221303124042), we get a palindrome (461724427164).

The spelling of 240421303122 in words is "two hundred forty billion, four hundred twenty-one million, three hundred three thousand, one hundred twenty-two".