404121044432 has 40 divisors (see below), whose sum is σ = 915649686336. Its totient is φ = 169166946816.

The previous prime is 404121044429. The next prime is 404121044443. The reversal of 404121044432 is 234440121404.

It is a junction number, because it is equal to n+sod(n) for n = 404121044395 and 404121044404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41951273 + ... + 41960904.

Almost surely, 2^404121044432 is an apocalyptic number.

It is an amenable number.

404121044432 is an abundant number, since it is smaller than the sum of its proper divisors (511528641904).

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

404121044432 is a wasteful number, since it uses less digits than its factorization.

404121044432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83912235 (or 83912229 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 404121044432 its reverse (234440121404), we get a palindrome (638561165836).

The spelling of 404121044432 in words is "four hundred four billion, one hundred twenty-one million, forty-four thousand, four hundred thirty-two".