202042444401 has 48 divisors (see below), whose sum is σ = 339205321728. Its totient is φ = 113497826400.

The previous prime is 202042444381. The next prime is 202042444427. The reversal of 202042444401 is 104444240202.

It is not a de Polignac number, because 202042444401 - 2¹⁸ = 202042182257 is a prime.

It is a super-2 number, since 2×202042444401² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202042444451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1487046 + ... + 1617216.

It is an arithmetic number, because the mean of its divisors is an integer number (7066777536).

Almost surely, 2^202042444401 is an apocalyptic number.

202042444401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

202042444401 is a deficient number, since it is larger than the sum of its proper divisors (137162877327).

202042444401 is a wasteful number, since it uses less digits than its factorization.

202042444401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130602 (or 130599 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 202042444401 its reverse (104444240202), we get a palindrome (306486684603).

The spelling of 202042444401 in words is "two hundred two billion, forty-two million, four hundred forty-four thousand, four hundred one".