244121540534 has 4 divisors (see below), whose sum is σ = 366182310804. Its totient is φ = 122060770266.

The previous prime is 244121540519. The next prime is 244121540539. The reversal of 244121540534 is 435045121442.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 435045121442 = 2 ⋅217522560721.

It is a junction number, because it is equal to n+sod(n) for n = 244121540494 and 244121540503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244121540539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61030385132 + ... + 61030385135.

It is an arithmetic number, because the mean of its divisors is an integer number (91545577701).

Almost surely, 2^244121540534 is an apocalyptic number.

244121540534 is a deficient number, since it is larger than the sum of its proper divisors (122060770270).

244121540534 is a wasteful number, since it uses less digits than its factorization.

244121540534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122060770269.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 244121540534 its reverse (435045121442), we get a palindrome (679166661976).

The spelling of 244121540534 in words is "two hundred forty-four billion, one hundred twenty-one million, five hundred forty thousand, five hundred thirty-four".