460531578 has 64 divisors (see below), whose sum is σ = 1016434944. Its totient is φ = 138240000.

The previous prime is 460531549. The next prime is 460531579. The reversal of 460531578 is 875135064.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (460531579) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 718138 + ... + 718778.

It is an arithmetic number, because the mean of its divisors is an integer number (15881796).

Almost surely, 2^460531578 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 460531578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508217472).

460531578 is an abundant number, since it is smaller than the sum of its proper divisors (555903366).

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

460531578 is a wasteful number, since it uses less digits than its factorization.

460531578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 460531578 is about 21459.9994874184. Note that the first 3 decimals coincide. The cubic root of 460531578 is about 772.2415025173.

The spelling of 460531578 in words is "four hundred sixty million, five hundred thirty-one thousand, five hundred seventy-eight".