402441401003 has 4 divisors (see below), whose sum is σ = 402454306680. Its totient is φ = 402428495328.

The previous prime is 402441400997. The next prime is 402441401053. The reversal of 402441401003 is 300104144204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 402441401003 - 2²⁰ = 402440352427 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 402441401003.

It is not an unprimeable number, because it can be changed into a prime (402441401053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6405950 + ... + 6468467.

It is an arithmetic number, because the mean of its divisors is an integer number (100613576670).

Almost surely, 2^402441401003 is an apocalyptic number.

402441401003 is a deficient number, since it is larger than the sum of its proper divisors (12905677).

402441401003 is a wasteful number, since it uses less digits than its factorization.

402441401003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12905676.

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

Adding to 402441401003 its reverse (300104144204), we get a palindrome (702545545207).

The spelling of 402441401003 in words is "four hundred two billion, four hundred forty-one million, four hundred one thousand, three".