440064927232 has 80 divisors (see below), whose sum is σ = 1005070983840. Its totient is φ = 188563488768.

The previous prime is 440064927193. The next prime is 440064927277. The reversal of 440064927232 is 232729460044.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28911688 + ... + 28926904.

It is an arithmetic number, because the mean of its divisors is an integer number (12563387298).

Almost surely, 2^440064927232 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 440064927232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502535491920).

440064927232 is an abundant number, since it is smaller than the sum of its proper divisors (565006056608).

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

440064927232 is an equidigital number, since it uses as much as digits as its factorization.

440064927232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23311 (or 23295 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 440064927232 in words is "four hundred forty billion, sixty-four million, nine hundred twenty-seven thousand, two hundred thirty-two".