404034033400 has 48 divisors (see below), whose sum is σ = 939443164200. Its totient is φ = 161602596480.

The previous prime is 404034033391. The next prime is 404034033401. The reversal of 404034033400 is 4330430404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404034033401) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3278091 + ... + 3399109.

Almost surely, 2^404034033400 is an apocalyptic number.

404034033400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404034033400 is an abundant number, since it is smaller than the sum of its proper divisors (535409130800).

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

404034033400 is a wasteful number, since it uses less digits than its factorization.

404034033400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137728 (or 137719 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 404034033400 its reverse (4330430404), we get a palindrome (408364463804).

The spelling of 404034033400 in words is "four hundred four billion, thirty-four million, thirty-three thousand, four hundred".