465661140 has 48 divisors (see below), whose sum is σ = 1490116992. Its totient is φ = 106436736.

The previous prime is 465661123. The next prime is 465661181. The reversal of 465661140 is 41166564.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 553939 + ... + 554778.

It is an arithmetic number, because the mean of its divisors is an integer number (31044104).

Almost surely, 2^465661140 is an apocalyptic number.

It is an amenable number.

465661140 is an abundant number, since it is smaller than the sum of its proper divisors (1024455852).

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

465661140 is a wasteful number, since it uses less digits than its factorization.

465661140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108736 (or 1108734 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 465661140 is about 21579.1830243872. The cubic root of 465661140 is about 775.0980881746.

The spelling of 465661140 in words is "four hundred sixty-five million, six hundred sixty-one thousand, one hundred forty".