400441105 has 8 divisors (see below), whose sum is σ = 496030464. Its totient is φ = 310018800.

The previous prime is 400441037. The next prime is 400441127. The reversal of 400441105 is 501144004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 400441105 - 2¹⁹ = 399916817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1291591 + ... + 1291900.

It is an arithmetic number, because the mean of its divisors is an integer number (62003808).

Almost surely, 2^400441105 is an apocalyptic number.

It is an amenable number.

400441105 is a deficient number, since it is larger than the sum of its proper divisors (95589359).

400441105 is a wasteful number, since it uses less digits than its factorization.

400441105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583527.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 400441105 is about 20011.0245864623. The cubic root of 400441105 is about 737.0770410170.

Adding to 400441105 its reverse (501144004), we get a palindrome (901585109).

The spelling of 400441105 in words is "four hundred million, four hundred forty-one thousand, one hundred five".