240422440220 has 24 divisors (see below), whose sum is σ = 516628687344. Its totient is φ = 93932487936.

The previous prime is 240422440213. The next prime is 240422440253. The reversal of 240422440220 is 22044224042.

It is a super-2 number, since 2×240422440220² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 240422440220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139779629 + ... + 139781348.

It is an arithmetic number, because the mean of its divisors is an integer number (21526195306).

Almost surely, 2^240422440220 is an apocalyptic number.

240422440220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240422440220 is an abundant number, since it is smaller than the sum of its proper divisors (276206247124).

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

240422440220 is a wasteful number, since it uses less digits than its factorization.

240422440220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279561029 (or 279561027 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 240422440220 its reverse (22044224042), we get a palindrome (262466664262).

The spelling of 240422440220 in words is "two hundred forty billion, four hundred twenty-two million, four hundred forty thousand, two hundred twenty".