465645420032 has 80 divisors (see below), whose sum is σ = 1015675565520. Its totient is φ = 211969032192.

The previous prime is 465645420011. The next prime is 465645420041. The reversal of 465645420032 is 230024546564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6719 + ... + 965057.

It is an arithmetic number, because the mean of its divisors is an integer number (12695944569).

Almost surely, 2^465645420032 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 465645420032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507837782760).

465645420032 is an abundant number, since it is smaller than the sum of its proper divisors (550030145488).

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

465645420032 is an equidigital number, since it uses as much as digits as its factorization.

465645420032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958443 (or 958427 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 465645420032 its reverse (230024546564), we get a palindrome (695669966596).

The spelling of 465645420032 in words is "four hundred sixty-five billion, six hundred forty-five million, four hundred twenty thousand, thirty-two".