244120135502 has 4 divisors (see below), whose sum is σ = 366180203256. Its totient is φ = 122060067750.

The previous prime is 244120135487. The next prime is 244120135531. The reversal of 244120135502 is 205531021442.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61030033874 + ... + 61030033877.

It is an arithmetic number, because the mean of its divisors is an integer number (91545050814).

Almost surely, 2^244120135502 is an apocalyptic number.

244120135502 is a deficient number, since it is larger than the sum of its proper divisors (122060067754).

244120135502 is a wasteful number, since it uses less digits than its factorization.

244120135502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122060067753.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 244120135502 its reverse (205531021442), we get a palindrome (449651156944).

The spelling of 244120135502 in words is "two hundred forty-four billion, one hundred twenty million, one hundred thirty-five thousand, five hundred two".