242551442201 has 48 divisors (see below), whose sum is σ = 272008915200. Its totient is φ = 215561917440.

The previous prime is 242551442149. The next prime is 242551442207. The reversal of 242551442201 is 102244155242.

It is not a de Polignac number, because 242551442201 - 2⁶ = 242551442137 is a prime.

It is a super-4 number, since 4×242551442201⁴ (a number of 47 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242551442207) 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, 93539561 + ... + 93542153.

It is an arithmetic number, because the mean of its divisors is an integer number (5666852400).

Almost surely, 2^242551442201 is an apocalyptic number.

It is an amenable number.

242551442201 is a deficient number, since it is larger than the sum of its proper divisors (29457472999).

242551442201 is a wasteful number, since it uses less digits than its factorization.

242551442201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830 (or 2799 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 242551442201 its reverse (102244155242), we get a palindrome (344795597443).

The spelling of 242551442201 in words is "two hundred forty-two billion, five hundred fifty-one million, four hundred forty-two thousand, two hundred one".