202440004241 has 4 divisors (see below), whose sum is σ = 204527014692. Its totient is φ = 200352993792.

The previous prime is 202440004219. The next prime is 202440004253. The reversal of 202440004241 is 142400044202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 159896816641 + 42543187600 = 399871^2 + 206260^2 .

It is a cyclic number.

It is not a de Polignac number, because 202440004241 - 2³⁴ = 185260135057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202440004201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043505080 + ... + 1043505273.

It is an arithmetic number, because the mean of its divisors is an integer number (51131753673).

Almost surely, 2^202440004241 is an apocalyptic number.

It is an amenable number.

202440004241 is a deficient number, since it is larger than the sum of its proper divisors (2087010451).

202440004241 is an equidigital number, since it uses as much as digits as its factorization.

202440004241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087010450.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 202440004241 its reverse (142400044202), we get a palindrome (344840048443).

The spelling of 202440004241 in words is "two hundred two billion, four hundred forty million, four thousand, two hundred forty-one".