402044016355 has 8 divisors (see below), whose sum is σ = 482751932112. Its totient is φ = 321435804768.

The previous prime is 402044016331. The next prime is 402044016397. The reversal of 402044016355 is 553610440204.

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 402044016355 - 2⁹ = 402044015843 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 402044016355.

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 7 ways as a sum of consecutive naturals, for example, 24917169 + ... + 24933298.

It is an arithmetic number, because the mean of its divisors is an integer number (60343991514).

Almost surely, 2^402044016355 is an apocalyptic number.

402044016355 is a deficient number, since it is larger than the sum of its proper divisors (80707915757).

402044016355 is a wasteful number, since it uses less digits than its factorization.

402044016355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49852085.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 402044016355 its reverse (553610440204), we get a palindrome (955654456559).

The spelling of 402044016355 in words is "four hundred two billion, forty-four million, sixteen thousand, three hundred fifty-five".