404453425340 has 12 divisors (see below), whose sum is σ = 849352193256. Its totient is φ = 161781370128.

The previous prime is 404453425231. The next prime is 404453425399. The reversal of 404453425340 is 43524354404.

It is a junction number, because it is equal to n+sod(n) for n = 404453425294 and 404453425303.

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, 10111335614 + ... + 10111335653.

It is an arithmetic number, because the mean of its divisors is an integer number (70779349438).

Almost surely, 2^404453425340 is an apocalyptic number.

It is an amenable number.

404453425340 is an abundant number, since it is smaller than the sum of its proper divisors (444898767916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404453425340 is a wasteful number, since it uses less digits than its factorization.

404453425340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20222671276 (or 20222671274 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 38.

Adding to 404453425340 its reverse (43524354404), we get a palindrome (447977779744).

The spelling of 404453425340 in words is "four hundred four billion, four hundred fifty-three million, four hundred twenty-five thousand, three hundred forty".