244242122551 has 8 divisors (see below), whose sum is σ = 279147083040. Its totient is φ = 209340469248.

The previous prime is 244242122533. The next prime is 244242122561. The reversal of 244242122551 is 155221242442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 244242122551 - 2⁵ = 244242122519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244242122561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666466 + ... + 965743.

It is an arithmetic number, because the mean of its divisors is an integer number (34893385380).

Almost surely, 2^244242122551 is an apocalyptic number.

244242122551 is a deficient number, since it is larger than the sum of its proper divisors (34904960489).

244242122551 is a wasteful number, since it uses less digits than its factorization.

244242122551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653593.

The product of its digits is 51200, while the sum is 34.

Adding to 244242122551 its reverse (155221242442), we get a palindrome (399463364993).

The spelling of 244242122551 in words is "two hundred forty-four billion, two hundred forty-two million, one hundred twenty-two thousand, five hundred fifty-one".