464140530 has 160 divisors (see below), whose sum is σ = 1441313280. Its totient is φ = 104976000.

The previous prime is 464140517. The next prime is 464140549. The reversal of 464140530 is 35041464.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 464140494 and 464140503.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 617655 + ... + 618405.

It is an arithmetic number, because the mean of its divisors is an integer number (9008208).

Almost surely, 2^464140530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 464140530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (720656640).

464140530 is an abundant number, since it is smaller than the sum of its proper divisors (977172750).

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

464140530 is a wasteful number, since it uses less digits than its factorization.

464140530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 464140530 is about 21543.9209523243. The cubic root of 464140530 is about 774.2534774627.

Adding to 464140530 its reverse (35041464), we get a palindrome (499181994).

The spelling of 464140530 in words is "four hundred sixty-four million, one hundred forty thousand, five hundred thirty".