411442040 has 64 divisors (see below), whose sum is σ = 940390560. Its totient is φ = 161996800.

The previous prime is 411442019. The next prime is 411442043. The reversal of 411442040 is 40244114.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411442043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1025840 + ... + 1026240.

Almost surely, 2^411442040 is an apocalyptic number.

411442040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

411442040 is an abundant number, since it is smaller than the sum of its proper divisors (528948520).

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

411442040 is a wasteful number, since it uses less digits than its factorization.

411442040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752 (or 748 counting only the distinct ones).

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

The square root of 411442040 is about 20284.0341155304. The cubic root of 411442040 is about 743.7658289125.

Adding to 411442040 its reverse (40244114), we get a palindrome (451686154).

The spelling of 411442040 in words is "four hundred eleven million, four hundred forty-two thousand, forty".