461380465 has 32 divisors (see below), whose sum is σ = 685714176. Its totient is φ = 290200320.

The previous prime is 461380457. The next prime is 461380487. The reversal of 461380465 is 564083164.

It is a happy number.

It is not a de Polignac number, because 461380465 - 2³ = 461380457 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71055 + ... + 77275.

It is an arithmetic number, because the mean of its divisors is an integer number (21428568).

Almost surely, 2^461380465 is an apocalyptic number.

It is an amenable number.

461380465 is a deficient number, since it is larger than the sum of its proper divisors (224333711).

461380465 is a wasteful number, since it uses less digits than its factorization.

461380465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6409.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 461380465 is about 21479.7687371163. The cubic root of 461380465 is about 772.7156961315.

It can be divided in two parts, 4613 and 80465, that added together give a triangular number (85078 = T₄₁₂).

The spelling of 461380465 in words is "four hundred sixty-one million, three hundred eighty thousand, four hundred sixty-five".