202423200240 has 40 divisors (see below), whose sum is σ = 627511921488. Its totient is φ = 53979520000.

The previous prime is 202423200229. The next prime is 202423200263. The reversal of 202423200240 is 42002324202.

It is a tau number, because it is divible by the number of its divisors (40).

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, 421714761 + ... + 421715240.

Almost surely, 2^202423200240 is an apocalyptic number.

202423200240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202423200240 is an abundant number, since it is smaller than the sum of its proper divisors (425088721248).

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

202423200240 is a wasteful number, since it uses less digits than its factorization.

202423200240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843430017 (or 843430011 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 202423200240 its reverse (42002324202), we get a palindrome (244425524442).

The spelling of 202423200240 in words is "two hundred two billion, four hundred twenty-three million, two hundred thousand, two hundred forty".