202440144320 has 28 divisors (see below), whose sum is σ = 482060594424. Its totient is φ = 80976057600.

The previous prime is 202440144251. The next prime is 202440144331. The reversal of 202440144320 is 23441044202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 202440144320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316312406 + ... + 316313045.

Almost surely, 2^202440144320 is an apocalyptic number.

202440144320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202440144320 is an abundant number, since it is smaller than the sum of its proper divisors (279620450104).

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

202440144320 is an equidigital number, since it uses as much as digits as its factorization.

202440144320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632625468 (or 632625458 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 202440144320 its reverse (23441044202), we get a palindrome (225881188522).

The spelling of 202440144320 in words is "two hundred two billion, four hundred forty million, one hundred forty-four thousand, three hundred twenty".