402144444303 has 16 divisors (see below), whose sum is σ = 612825908736. Its totient is φ = 229783934880.

The previous prime is 402144444301. The next prime is 402144444341. The reversal of 402144444303 is 303444441204.

It is not a de Polignac number, because 402144444303 - 2¹ = 402144444301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402144444301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147243 + ... + 908828.

It is an arithmetic number, because the mean of its divisors is an integer number (38301619296).

Almost surely, 2^402144444303 is an apocalyptic number.

402144444303 is a deficient number, since it is larger than the sum of its proper divisors (210681464433).

402144444303 is a wasteful number, since it uses less digits than its factorization.

402144444303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074214.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 402144444303 its reverse (303444441204), we get a palindrome (705588885507).

The spelling of 402144444303 in words is "four hundred two billion, one hundred forty-four million, four hundred forty-four thousand, three hundred three".