404021430200 has 96 divisors (see below), whose sum is σ = 1003547971200. Its totient is φ = 150817645440.

The previous prime is 404021430199. The next prime is 404021430251. The reversal of 404021430200 is 2034120404.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 538844 + ... + 1048043.

It is an arithmetic number, because the mean of its divisors is an integer number (10453624700).

Almost surely, 2^404021430200 is an apocalyptic number.

404021430200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404021430200 is an abundant number, since it is smaller than the sum of its proper divisors (599526541000).

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

404021430200 is a wasteful number, since it uses less digits than its factorization.

404021430200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586989 (or 1586980 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 404021430200 its reverse (2034120404), we get a palindrome (406055550604).

The spelling of 404021430200 in words is "four hundred four billion, twenty-one million, four hundred thirty thousand, two hundred".