465442140 has 48 divisors (see below), whose sum is σ = 1304174592. Its totient is φ = 124028736.

The previous prime is 465442111. The next prime is 465442147. The reversal of 465442140 is 41244564.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 465442098 and 465442107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465442147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159777 + ... + 162663.

It is an arithmetic number, because the mean of its divisors is an integer number (27170304).

Almost surely, 2^465442140 is an apocalyptic number.

It is an amenable number.

465442140 is an abundant number, since it is smaller than the sum of its proper divisors (838732452).

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

465442140 is a wasteful number, since it uses less digits than its factorization.

465442140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5586 (or 5584 counting only the distinct ones).

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

The square root of 465442140 is about 21574.1080928042. The cubic root of 465442140 is about 774.9765598183.

It can be divided in two parts, 46544 and 2140, that added together give a palindrome (48684).

The spelling of 465442140 in words is "four hundred sixty-five million, four hundred forty-two thousand, one hundred forty".