244042242420 has 48 divisors (see below), whose sum is σ = 688698759168. Its totient is φ = 64565504640.

The previous prime is 244042242413. The next prime is 244042242421. The reversal of 244042242420 is 24242240442.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244042242421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16005651 + ... + 16020890.

It is an arithmetic number, because the mean of its divisors is an integer number (14347890816).

Almost surely, 2^244042242420 is an apocalyptic number.

244042242420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244042242420 is an abundant number, since it is smaller than the sum of its proper divisors (444656516748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

244042242420 is a wasteful number, since it uses less digits than its factorization.

244042242420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32026680 (or 32026678 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 244042242420 its reverse (24242240442), we get a palindrome (268284482862).

It can be divided in two parts, 2440422 and 42420, that added together give a palindrome (2482842).

The spelling of 244042242420 in words is "two hundred forty-four billion, forty-two million, two hundred forty-two thousand, four hundred twenty".