404023415352012 has 144 divisors (see below), whose sum is σ = 1081440890449920. Its totient is φ = 126974495174400.

The previous prime is 404023415351891. The next prime is 404023415352049. The reversal of 404023415352012 is 210253514320404.

It is a happy number.

404023415352012 is a `hidden beast` number, since 4 + 0 + 4 + 0 + 2 + 3 + 415 + 35 + 201 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26758123 + ... + 39039005.

It is an arithmetic number, because the mean of its divisors is an integer number (7510006183680).

Almost surely, 2^{404023415352012} 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 404023415352012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (540720445224960).

404023415352012 is an abundant number, since it is smaller than the sum of its proper divisors (677417475097908).

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

404023415352012 is a wasteful number, since it uses less digits than its factorization.

404023415352012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12281684 (or 12281679 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 404023415352012 its reverse (210253514320404), we get a palindrome (614276929672416).

The spelling of 404023415352012 in words is "four hundred four trillion, twenty-three billion, four hundred fifteen million, three hundred fifty-two thousand, twelve".