404024020431352 has 16 divisors (see below), whose sum is σ = 757545376258440. Its totient is φ = 202011920095776.

The previous prime is 404024020431349. The next prime is 404024020431389. The reversal of 404024020431352 is 253134020420404.

It is a super-2 number, since 2×404024020431352² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10192863 + ... + 30198385.

Almost surely, 2^{404024020431352} is an apocalyptic number.

It is an amenable number.

404024020431352 is a deficient number, since it is larger than the sum of its proper divisors (353521355827088).

404024020431352 is a wasteful number, since it uses less digits than its factorization.

404024020431352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22529982 (or 22529978 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 404024020431352 its reverse (253134020420404), we get a palindrome (657158040851756).

The spelling of 404024020431352 in words is "four hundred four trillion, twenty-four billion, twenty million, four hundred thirty-one thousand, three hundred fifty-two".