465423178471768 has 32 divisors (see below), whose sum is σ = 1002107322072000. Its totient is φ = 200421464412960.

The previous prime is 465423178471763. The next prime is 465423178471841. The reversal of 465423178471768 is 867174871324564.

It is a self number, because there is not a number n which added to its sum of digits gives 465423178471768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465423178471763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139181570838 + ... + 139181574181.

It is an arithmetic number, because the mean of its divisors is an integer number (31315853814750).

Almost surely, 2^{465423178471768} is an apocalyptic number.

It is an amenable number.

465423178471768 is an abundant number, since it is smaller than the sum of its proper divisors (536684143600232).

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

465423178471768 is a wasteful number, since it uses less digits than its factorization.

465423178471768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278363145055 (or 278363145051 counting only the distinct ones).

The product of its digits is 1517322240, while the sum is 73.

The spelling of 465423178471768 in words is "four hundred sixty-five trillion, four hundred twenty-three billion, one hundred seventy-eight million, four hundred seventy-one thousand, seven hundred sixty-eight".