244021401442 has 48 divisors (see below), whose sum is σ = 453069408960. Its totient is φ = 96516104256.

The previous prime is 244021401431. The next prime is 244021401443. The reversal of 244021401442 is 244104120442.

It is a happy number.

244021401442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 244021401442.

It is not an unprimeable number, because it can be changed into a prime (244021401443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17910909 + ... + 17924527.

It is an arithmetic number, because the mean of its divisors is an integer number (9438946020).

Almost surely, 2^244021401442 is an apocalyptic number.

244021401442 is a deficient number, since it is larger than the sum of its proper divisors (209048007518).

244021401442 is a wasteful number, since it uses less digits than its factorization.

244021401442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21227 (or 21214 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 244021401442 its reverse (244104120442), we get a palindrome (488125521884).

The spelling of 244021401442 in words is "two hundred forty-four billion, twenty-one million, four hundred one thousand, four hundred forty-two".