404402200432 has 80 divisors (see below), whose sum is σ = 811408637952. Its totient is φ = 195049774080.

The previous prime is 404402200421. The next prime is 404402200451. The reversal of 404402200432 is 234002204404.

It is a super-2 number, since 2×404402200432² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404402200397 and 404402200406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413921928 + ... + 413922904.

Almost surely, 2^404402200432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404402200432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405704318976).

404402200432 is an abundant number, since it is smaller than the sum of its proper divisors (407006437520).

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

404402200432 is a wasteful number, since it uses less digits than its factorization.

404402200432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846 (or 2840 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 404402200432 its reverse (234002204404), we get a palindrome (638404404836).

The spelling of 404402200432 in words is "four hundred four billion, four hundred two million, two hundred thousand, four hundred thirty-two".