244120021402 has 8 divisors (see below), whose sum is σ = 382100903136. Its totient is φ = 116753053692.

The previous prime is 244120021381. The next prime is 244120021447. The reversal of 244120021402 is 204120021442.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2653478448 + ... + 2653478539.

It is an arithmetic number, because the mean of its divisors is an integer number (47762612892).

Almost surely, 2^244120021402 is an apocalyptic number.

244120021402 is a deficient number, since it is larger than the sum of its proper divisors (137980881734).

244120021402 is a wasteful number, since it uses less digits than its factorization.

244120021402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306957012.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 244120021402 its reverse (204120021442), we get a palindrome (448240042844).

The spelling of 244120021402 in words is "two hundred forty-four billion, one hundred twenty million, twenty-one thousand, four hundred two".