465444021 has 8 divisors (see below), whose sum is σ = 709248064. Its totient is φ = 265968000.

The previous prime is 465444019. The next prime is 465444029. The reversal of 465444021 is 120444564.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 465444021 - 2¹ = 465444019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 465444021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465444029) 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, 11081980 + ... + 11082021.

It is an arithmetic number, because the mean of its divisors is an integer number (88656008).

Almost surely, 2^465444021 is an apocalyptic number.

It is an amenable number.

465444021 is a deficient number, since it is larger than the sum of its proper divisors (243804043).

465444021 is a wasteful number, since it uses less digits than its factorization.

465444021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22164011.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 465444021 is about 21574.1516866828. The cubic root of 465444021 is about 774.9776037926.

Adding to 465444021 its reverse (120444564), we get a palindrome (585888585).

The spelling of 465444021 in words is "four hundred sixty-five million, four hundred forty-four thousand, twenty-one".