402144401003 has 8 divisors (see below), whose sum is σ = 407688628608. Its totient is φ = 396601130304.

The previous prime is 402144400951. The next prime is 402144401011. The reversal of 402144401003 is 300104441204.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 402144401003 - 2³⁶ = 333424924267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402144401003.

It is not an unprimeable number, because it can be changed into a prime (402144401063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628625 + ... + 1095197.

It is an arithmetic number, because the mean of its divisors is an integer number (50961078576).

Almost surely, 2^402144401003 is an apocalyptic number.

402144401003 is a deficient number, since it is larger than the sum of its proper divisors (5544227605).

402144401003 is a wasteful number, since it uses less digits than its factorization.

402144401003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478453.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 402144401003 its reverse (300104441204), we get a palindrome (702248842207).

The spelling of 402144401003 in words is "four hundred two billion, one hundred forty-four million, four hundred one thousand, three".