411640530 has 64 divisors (see below), whose sum is σ = 1140092928. Its totient is φ = 93170880.

The previous prime is 411640513. The next prime is 411640547. The reversal of 411640530 is 35046114.

It is an interprime number because it is at equal distance from previous prime (411640513) and next prime (411640547).

It is a self number, because there is not a number n which added to its sum of digits gives 411640530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12115 + ... + 31145.

It is an arithmetic number, because the mean of its divisors is an integer number (17813952).

Almost surely, 2^411640530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 411640530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (570046464).

411640530 is an abundant number, since it is smaller than the sum of its proper divisors (728452398).

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

411640530 is a wasteful number, since it uses less digits than its factorization.

411640530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19151.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 411640530 is about 20288.9262899740. The cubic root of 411640530 is about 743.8854134722.

Adding to 411640530 its reverse (35046114), we get a palindrome (446686644).

The spelling of 411640530 in words is "four hundred eleven million, six hundred forty thousand, five hundred thirty".