411019840 has 168 divisors, whose sum is σ = 1242559872. Its totient is φ = 128056320.

The previous prime is 411019811. The next prime is 411019853. The reversal of 411019840 is 48910114.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 411019799 and 411019808.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171289 + ... + 173671.

Almost surely, 2^411019840 is an apocalyptic number.

411019840 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 411019840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621279936).

411019840 is an abundant number, since it is smaller than the sum of its proper divisors (831540032).

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

411019840 is a wasteful number, since it uses less digits than its factorization.

411019840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425 (or 2408 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 411019840 is about 20273.6242443230. The cubic root of 411019840 is about 743.5113374951.

Adding to 411019840 its reverse (48910114), we get a palindrome (459929954).

The spelling of 411019840 in words is "four hundred eleven million, nineteen thousand, eight hundred forty".