461634540 has 24 divisors (see below), whose sum is σ = 1292576880. Its totient is φ = 123102528.

The previous prime is 461634521. The next prime is 461634581. The reversal of 461634540 is 45436164.

461634540 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3846895 + ... + 3847014.

It is an arithmetic number, because the mean of its divisors is an integer number (53857370).

Almost surely, 2^461634540 is an apocalyptic number.

It is an amenable number.

461634540 is an abundant number, since it is smaller than the sum of its proper divisors (830942340).

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

461634540 is a wasteful number, since it uses less digits than its factorization.

461634540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7693921 (or 7693919 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 461634540 is about 21485.6822093226. The cubic root of 461634540 is about 772.8575109157.

The spelling of 461634540 in words is "four hundred sixty-one million, six hundred thirty-four thousand, five hundred forty".