461909240 has 32 divisors (see below), whose sum is σ = 1119242880. Its totient is φ = 170550912.

The previous prime is 461909183. The next prime is 461909251. The reversal of 461909240 is 42909164.

It is a self number, because there is not a number n which added to its sum of digits gives 461909240.

It is a congruent number.

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, 443624 + ... + 444663.

It is an arithmetic number, because the mean of its divisors is an integer number (34976340).

Almost surely, 2^461909240 is an apocalyptic number.

461909240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

461909240 is an abundant number, since it is smaller than the sum of its proper divisors (657333640).

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

461909240 is a wasteful number, since it uses less digits than its factorization.

461909240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888311 (or 888307 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 461909240 is about 21492.0738878313. The cubic root of 461909240 is about 773.0107792428.

The spelling of 461909240 in words is "four hundred sixty-one million, nine hundred nine thousand, two hundred forty".