202440441401 has 4 divisors (see below), whose sum is σ = 220844117904. Its totient is φ = 184036764900.

The previous prime is 202440441347. The next prime is 202440441431. The reversal of 202440441401 is 104144044202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202440441401 - 2¹⁸ = 202440179257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202440441431) 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, 9201838235 + ... + 9201838256.

It is an arithmetic number, because the mean of its divisors is an integer number (55211029476).

Almost surely, 2^202440441401 is an apocalyptic number.

It is an amenable number.

202440441401 is a deficient number, since it is larger than the sum of its proper divisors (18403676503).

202440441401 is a wasteful number, since it uses less digits than its factorization.

202440441401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18403676502.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 202440441401 its reverse (104144044202), we get a palindrome (306584485603).

The spelling of 202440441401 in words is "two hundred two billion, four hundred forty million, four hundred forty-one thousand, four hundred one".