400108411 has 4 divisors (see below), whose sum is σ = 400161024.
Its totient is φ = 400055800.
The previous prime is 400108409. The next prime is 400108477. The reversal of 400108411 is 114801004.
Adding to 400108411 its reverse (114801004), we get a palindrome (514909415).
It can be divided in two parts, 400 and 108411, that added together give a triangular number (108811 = T466).
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 400108411 - 21 = 400108409 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (400106411) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 12475 + ... + 30916.
It is an arithmetic number, because the mean of its divisors is an integer number (100040256).
Almost surely, 2400108411 is an apocalyptic number.
400108411 is a deficient number, since it is larger than the sum of its proper divisors (52613).
400108411 is an equidigital number, since it uses as much as digits as its factorization.
400108411 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52612.
The product of its (nonzero) digits is 128, while the sum is 19.
The square root of 400108411 is about 20002.7100913851.
The cubic root of 400108411 is about 736.8728586385.
The spelling of 400108411 in words is "four hundred million, one hundred eight thousand, four hundred eleven".