461757540 has 24 divisors (see below), whose sum is σ = 1292921280. Its totient is φ = 123135328.

The previous prime is 461757533. The next prime is 461757581. The reversal of 461757540 is 45757164.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3847920 + ... + 3848039.

It is an arithmetic number, because the mean of its divisors is an integer number (53871720).

Almost surely, 2^461757540 is an apocalyptic number.

It is an amenable number.

461757540 is an abundant number, since it is smaller than the sum of its proper divisors (831163740).

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

461757540 is a wasteful number, since it uses less digits than its factorization.

461757540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7695971 (or 7695969 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 461757540 is about 21488.5443899767. The cubic root of 461757540 is about 772.9261460401.

The spelling of 461757540 in words is "four hundred sixty-one million, seven hundred fifty-seven thousand, five hundred forty".