461489380 has 24 divisors (see below), whose sum is σ = 1057230720. Its totient is φ = 167814240.

The previous prime is 461489363. The next prime is 461489389. The reversal of 461489380 is 83984164.

It is not an unprimeable number, because it can be changed into a prime (461489389) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1048620 + ... + 1049059.

It is an arithmetic number, because the mean of its divisors is an integer number (44051280).

Almost surely, 2^461489380 is an apocalyptic number.

It is an amenable number.

461489380 is an abundant number, since it is smaller than the sum of its proper divisors (595741340).

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

461489380 is a wasteful number, since it uses less digits than its factorization.

461489380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097699 (or 2097697 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 461489380 is about 21482.3038801708. The cubic root of 461489380 is about 772.7764946228.

The spelling of 461489380 in words is "four hundred sixty-one million, four hundred eighty-nine thousand, three hundred eighty".