411123520 has 56 divisors (see below), whose sum is σ = 1030528800. Its totient is φ = 155791872.

The previous prime is 411123509. The next prime is 411123521. The reversal of 411123520 is 25321114.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411123521) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27730 + ... + 39889.

It is an arithmetic number, because the mean of its divisors is an integer number (18402300).

Almost surely, 2^411123520 is an apocalyptic number.

411123520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

411123520 is an abundant number, since it is smaller than the sum of its proper divisors (619405280).

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

411123520 is a wasteful number, since it uses less digits than its factorization.

411123520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67655 (or 67645 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 411123520 is about 20276.1811000001. The cubic root of 411123520 is about 743.5738492988.

Adding to 411123520 its reverse (25321114), we get a palindrome (436444634).

The spelling of 411123520 in words is "four hundred eleven million, one hundred twenty-three thousand, five hundred twenty".