312224404044 has 96 divisors (see below), whose sum is σ = 849317736960. Its totient is φ = 87429146112.

The previous prime is 312224404027. The next prime is 312224404067. The reversal of 312224404044 is 440404422213.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 967912 + ... + 1249520.

It is an arithmetic number, because the mean of its divisors is an integer number (8847059760).

Almost surely, 2^312224404044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312224404044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424658868480).

312224404044 is an abundant number, since it is smaller than the sum of its proper divisors (537093332916).

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

312224404044 is a wasteful number, since it uses less digits than its factorization.

312224404044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281887 (or 281885 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 312224404044 its reverse (440404422213), we get a palindrome (752628826257).

The spelling of 312224404044 in words is "three hundred twelve billion, two hundred twenty-four million, four hundred four thousand, forty-four".