402444133204 has 12 divisors (see below), whose sum is σ = 719261855424. Its totient is φ = 196940745944.

The previous prime is 402444133193. The next prime is 402444133241. The reversal of 402444133204 is 402331444204.

It is a super-2 number, since 2×402444133204² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 1070329954 + ... + 1070330329.

It is an arithmetic number, because the mean of its divisors is an integer number (59938487952).

Almost surely, 2^402444133204 is an apocalyptic number.

It is an amenable number.

402444133204 is a deficient number, since it is larger than the sum of its proper divisors (316817722220).

402444133204 is a wasteful number, since it uses less digits than its factorization.

402444133204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140660334 (or 2140660332 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 402444133204 its reverse (402331444204), we get a palindrome (804775577408).

The spelling of 402444133204 in words is "four hundred two billion, four hundred forty-four million, one hundred thirty-three thousand, two hundred four".