411542520 has 64 divisors (see below), whose sum is σ = 1243689120. Its totient is φ = 108939264.

The previous prime is 411542447. The next prime is 411542531. The reversal of 411542520 is 25245114.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3924 + ... + 28956.

Almost surely, 2^411542520 is an apocalyptic number.

411542520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 411542520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621844560).

411542520 is an abundant number, since it is smaller than the sum of its proper divisors (832146600).

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

411542520 is a wasteful number, since it uses less digits than its factorization.

411542520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25184 (or 25180 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 411542520 is about 20286.5107891919. The cubic root of 411542520 is about 743.8263700502.

Adding to 411542520 its reverse (25245114), we get a palindrome (436787634).

The spelling of 411542520 in words is "four hundred eleven million, five hundred forty-two thousand, five hundred twenty".