400046105 has 8 divisors (see below), whose sum is σ = 480427200. Its totient is φ = 319788976.

The previous prime is 400046099. The next prime is 400046117. The reversal of 400046105 is 501640004.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 400046105 - 2⁴ = 400046089 is a prime.

It is a super-2 number, since 2×400046105² = 320073772251342050, which contains 22 as substring.

It is a Curzon 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, 23735 + ... + 36924.

It is an arithmetic number, because the mean of its divisors is an integer number (60053400).

Almost surely, 2^400046105 is an apocalyptic number.

It is an amenable number.

400046105 is a deficient number, since it is larger than the sum of its proper divisors (80381095).

400046105 is a wasteful number, since it uses less digits than its factorization.

400046105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61983.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 400046105 is about 20001.1525917883. The cubic root of 400046105 is about 736.8346073525.

Adding to 400046105 its reverse (501640004), we get a palindrome (901686109).

It can be divided in two parts, 4000 and 46105, that added together give a palindrome (50105).

The spelling of 400046105 in words is "four hundred million, forty-six thousand, one hundred five".