411242240 has 72 divisors (see below), whose sum is σ = 1043053200. Its totient is φ = 154812416.

The previous prime is 411242219. The next prime is 411242269. The reversal of 411242240 is 42242114.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12311 + ... + 31209.

It is an arithmetic number, because the mean of its divisors is an integer number (14486850).

Almost surely, 2^411242240 is an apocalyptic number.

411242240 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 411242240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521526600).

411242240 is an abundant number, since it is smaller than the sum of its proper divisors (631810960).

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

411242240 is a wasteful number, since it uses less digits than its factorization.

411242240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18937 (or 18923 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 411242240 is about 20279.1084616657. The cubic root of 411242240 is about 743.6454162669.

Adding to 411242240 its reverse (42242114), we get a palindrome (453484354).

The spelling of 411242240 in words is "four hundred eleven million, two hundred forty-two thousand, two hundred forty".