411321240 has 192 divisors, whose sum is σ = 1512725760. Its totient is φ = 99688320.

The previous prime is 411321227. The next prime is 411321269. The reversal of 411321240 is 42123114.

411321240 is a `hidden beast` number, since 411 + 3 + 212 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104997 + ... + 108843.

It is an arithmetic number, because the mean of its divisors is an integer number (7878780).

Almost surely, 2^411321240 is an apocalyptic number.

411321240 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 411321240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (756362880).

411321240 is an abundant number, since it is smaller than the sum of its proper divisors (1101404520).

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

411321240 is a wasteful number, since it uses less digits than its factorization.

411321240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884 (or 3868 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 411321240 is about 20281.0561855146. The cubic root of 411321240 is about 743.6930315333.

Adding to 411321240 its reverse (42123114), we get a palindrome (453444354).

The spelling of 411321240 in words is "four hundred eleven million, three hundred twenty-one thousand, two hundred forty".