404229810 has 32 divisors (see below), whose sum is σ = 996374592. Its totient is φ = 104880960.

The previous prime is 404229809. The next prime is 404229817. The reversal of 404229810 is 18922404.

It is a super-2 number, since 2×404229810² = 326803478585272200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (404229817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180976 + ... + 183195.

It is an arithmetic number, because the mean of its divisors is an integer number (31136706).

Almost surely, 2^404229810 is an apocalyptic number.

404229810 is an abundant number, since it is smaller than the sum of its proper divisors (592144782).

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

404229810 is a wasteful number, since it uses less digits than its factorization.

404229810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364218.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 404229810 is about 20105.4671669176. The cubic root of 404229810 is about 739.3943242211.

The spelling of 404229810 in words is "four hundred four million, two hundred twenty-nine thousand, eight hundred ten".