461564340 has 96 divisors (see below), whose sum is σ = 1380933120. Its totient is φ = 114846336.

The previous prime is 461564317. The next prime is 461564351. The reversal of 461564340 is 43465164.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73359 + ... + 79401.

It is an arithmetic number, because the mean of its divisors is an integer number (14384720).

Almost surely, 2^461564340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 461564340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (690466560).

461564340 is an abundant number, since it is smaller than the sum of its proper divisors (919368780).

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

461564340 is a wasteful number, since it uses less digits than its factorization.

461564340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6141 (or 6139 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 461564340 is about 21484.0485011555. The cubic root of 461564340 is about 772.8183332092.

The spelling of 461564340 in words is "four hundred sixty-one million, five hundred sixty-four thousand, three hundred forty".