403609485312 has 400 divisors, whose sum is σ = 1320702404160. Its totient is φ = 122305904640.

The previous prime is 403609485281. The next prime is 403609485317. The reversal of 403609485312 is 213584906304.

403609485312 is a `hidden beast` number, since 4 + 0 + 3 + 609 + 4 + 8 + 5 + 31 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (403609485317) 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, 36691771387 + ... + 36691771397.

Almost surely, 2^403609485312 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 403609485312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660351202080).

403609485312 is an abundant number, since it is smaller than the sum of its proper divisors (917092918848).

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

403609485312 is an frugal number, since it uses more digits than its factorization.

403609485312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 16 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 403609485312 in words is "four hundred three billion, six hundred nine million, four hundred eighty-five thousand, three hundred twelve".