411042520 has 128 divisors (see below), whose sum is σ = 1103155200. Its totient is φ = 134862336.

The previous prime is 411042517. The next prime is 411042529. The reversal of 411042520 is 25240114.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411042529) 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, 1810647 + ... + 1810873.

It is an arithmetic number, because the mean of its divisors is an integer number (8618400).

Almost surely, 2^411042520 is an apocalyptic number.

411042520 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 411042520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (551577600).

411042520 is an abundant number, since it is smaller than the sum of its proper divisors (692112680).

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

411042520 is a wasteful number, since it uses less digits than its factorization.

411042520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 411042520 is about 20274.1835840559. The cubic root of 411042520 is about 743.5250128504.

Adding to 411042520 its reverse (25240114), we get a palindrome (436282634).

The spelling of 411042520 in words is "four hundred eleven million, forty-two thousand, five hundred twenty".