402406010033 has 4 divisors (see below), whose sum is σ = 413281848180. Its totient is φ = 391530171888.

The previous prime is 402406010011. The next prime is 402406010051. The reversal of 402406010033 is 330010604204.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 263956530289 + 138449479744 = 513767^2 + 372088^2 .

It is a cyclic number.

It is not a de Polignac number, because 402406010033 - 2⁸ = 402406009777 is a prime.

It is a super-2 number, since 2×402406010033² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402406009990 and 402406010008.

It is not an unprimeable number, because it can be changed into a prime (402406010833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5437919018 + ... + 5437919091.

It is an arithmetic number, because the mean of its divisors is an integer number (103320462045).

Almost surely, 2^402406010033 is an apocalyptic number.

It is an amenable number.

402406010033 is a deficient number, since it is larger than the sum of its proper divisors (10875838147).

402406010033 is a wasteful number, since it uses less digits than its factorization.

402406010033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10875838146.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 402406010033 its reverse (330010604204), we get a palindrome (732416614237).

The spelling of 402406010033 in words is "four hundred two billion, four hundred six million, ten thousand, thirty-three".