411200430021 has 24 divisors (see below), whose sum is σ = 609512543640. Its totient is φ = 266977267200.

The previous prime is 411200430007. The next prime is 411200430023. The reversal of 411200430021 is 120034002114.

411200430021 is a `hidden beast` number, since 4 + 11 + 200 + 430 + 0 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5463279396 + 405737150625 = 73914^2 + 636975^2 .

It is not a de Polignac number, because 411200430021 - 2⁵ = 411200429989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 411200429976 and 411200430003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411200430023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 769270 + ... + 1189191.

It is an arithmetic number, because the mean of its divisors is an integer number (25396355985).

Almost surely, 2^411200430021 is an apocalyptic number.

411200430021 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

411200430021 is a deficient number, since it is larger than the sum of its proper divisors (198312113619).

411200430021 is a wasteful number, since it uses less digits than its factorization.

411200430021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959077 (or 1959074 counting only the distinct ones).

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

Adding to 411200430021 its reverse (120034002114), we get a palindrome (531234432135).

The spelling of 411200430021 in words is "four hundred eleven billion, two hundred million, four hundred thirty thousand, twenty-one".