461545770 has 128 divisors (see below), whose sum is σ = 1311178752. Its totient is φ = 101779200.

The previous prime is 461545757. The next prime is 461545771. The reversal of 461545770 is 77545164.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (461545771) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1483915 + ... + 1484225.

It is an arithmetic number, because the mean of its divisors is an integer number (10243584).

Almost surely, 2^461545770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 461545770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (655589376).

461545770 is an abundant number, since it is smaller than the sum of its proper divisors (849632982).

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

461545770 is a wasteful number, since it uses less digits than its factorization.

461545770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556.

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

The square root of 461545770 is about 21483.6163156951. The cubic root of 461545770 is about 772.8079688694.

The spelling of 461545770 in words is "four hundred sixty-one million, five hundred forty-five thousand, seven hundred seventy".