461539340 has 24 divisors (see below), whose sum is σ = 970038720. Its totient is φ = 184462208.

The previous prime is 461539333. The next prime is 461539343. The reversal of 461539340 is 43935164.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 461539340.

It is not an unprimeable number, because it can be changed into a prime (461539343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16829 + ... + 34731.

It is an arithmetic number, because the mean of its divisors is an integer number (40418280).

Almost surely, 2^461539340 is an apocalyptic number.

It is an amenable number.

461539340 is an abundant number, since it is smaller than the sum of its proper divisors (508499380).

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

461539340 is a wasteful number, since it uses less digits than its factorization.

461539340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19201 (or 19199 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 461539340 is about 21483.4666662529. The cubic root of 461539340 is about 772.8043800753.

The spelling of 461539340 in words is "four hundred sixty-one million, five hundred thirty-nine thousand, three hundred forty".