404213372852 has 12 divisors (see below), whose sum is σ = 707382480420. Its totient is φ = 202104092736.

The previous prime is 404213372851. The next prime is 404213372869. The reversal of 404213372852 is 258273312404.

It can be written as a sum of positive squares in 2 ways, for example, as 392209102756 + 12004270096 = 626266^2 + 109564^2 .

It is a super-2 number, since 2×404213372852² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404213372851) 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, 273713 + ... + 939864.

It is an arithmetic number, because the mean of its divisors is an integer number (58948540035).

Almost surely, 2^404213372852 is an apocalyptic number.

It is an amenable number.

404213372852 is a deficient number, since it is larger than the sum of its proper divisors (303169107568).

404213372852 is a wasteful number, since it uses less digits than its factorization.

404213372852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296850 (or 1296848 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 404213372852 in words is "four hundred four billion, two hundred thirteen million, three hundred seventy-two thousand, eight hundred fifty-two".