404244321330 has 64 divisors (see below), whose sum is σ = 983338392960. Its totient is φ = 106341021696.

The previous prime is 404244321319. The next prime is 404244321331. The reversal of 404244321330 is 33123442404.

It is a happy number.

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 (404244321331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1555156 + ... + 1796384.

It is an arithmetic number, because the mean of its divisors is an integer number (15364662390).

Almost surely, 2^404244321330 is an apocalyptic number.

404244321330 is an abundant number, since it is smaller than the sum of its proper divisors (579094071630).

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

404244321330 is a wasteful number, since it uses less digits than its factorization.

404244321330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241995.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 404244321330 its reverse (33123442404), we get a palindrome (437367763734).

The spelling of 404244321330 in words is "four hundred four billion, two hundred forty-four million, three hundred twenty-one thousand, three hundred thirty".