411999555720 has 128 divisors (see below), whose sum is σ = 1243662336000. Its totient is φ = 109187030784.

The previous prime is 411999555713. The next prime is 411999555791. The reversal of 411999555720 is 27555999114.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16016389 + ... + 16042091.

It is an arithmetic number, because the mean of its divisors is an integer number (9716112000).

Almost surely, 2^411999555720 is an apocalyptic number.

411999555720 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 411999555720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621831168000).

411999555720 is an abundant number, since it is smaller than the sum of its proper divisors (831662780280).

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

411999555720 is a wasteful number, since it uses less digits than its factorization.

411999555720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26539 (or 26535 counting only the distinct ones).

The product of its (nonzero) digits is 5103000, while the sum is 57.

The spelling of 411999555720 in words is "four hundred eleven billion, nine hundred ninety-nine million, five hundred fifty-five thousand, seven hundred twenty".