202422424240 has 80 divisors (see below), whose sum is σ = 474102914400. Its totient is φ = 80372572160.

The previous prime is 202422424223. The next prime is 202422424279. The reversal of 202422424240 is 42424224202.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 202422424199 and 202422424208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21582432 + ... + 21591808.

It is an arithmetic number, because the mean of its divisors is an integer number (5926286430).

Almost surely, 2^202422424240 is an apocalyptic number.

202422424240 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 202422424240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237051457200).

202422424240 is an abundant number, since it is smaller than the sum of its proper divisors (271680490160).

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

202422424240 is a wasteful number, since it uses less digits than its factorization.

202422424240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11350 (or 11344 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 202422424240 its reverse (42424224202), we get a palindrome (244846648442).

The spelling of 202422424240 in words is "two hundred two billion, four hundred twenty-two million, four hundred twenty-four thousand, two hundred forty".