440412046512 has 160 divisors (see below), whose sum is σ = 1178789552640. Its totient is φ = 141592320000.

The previous prime is 440412046499. The next prime is 440412046517. The reversal of 440412046512 is 215640214044.

It is a super-2 number, since 2×440412046512² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (440412046517) 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, 182666587 + ... + 182668997.

It is an arithmetic number, because the mean of its divisors is an integer number (7367434704).

Almost surely, 2^440412046512 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 440412046512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589394776320).

440412046512 is an abundant number, since it is smaller than the sum of its proper divisors (738377506128).

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

440412046512 is a wasteful number, since it uses less digits than its factorization.

440412046512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483 (or 3477 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The spelling of 440412046512 in words is "four hundred forty billion, four hundred twelve million, forty-six thousand, five hundred twelve".