402401105 has 8 divisors (see below), whose sum is σ = 487860072. Its totient is φ = 318601728.

The previous prime is 402401093. The next prime is 402401107. The reversal of 402401105 is 501104204.

It can be written as a sum of positive squares in 4 ways, for example, as 32069569 + 370331536 = 5663^2 + 19244^2 .

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 402401105 - 2¹⁴ = 402384721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402401107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414362 + ... + 415331.

It is an arithmetic number, because the mean of its divisors is an integer number (60982509).

Almost surely, 2^402401105 is an apocalyptic number.

It is an amenable number.

402401105 is a deficient number, since it is larger than the sum of its proper divisors (85458967).

402401105 is an equidigital number, since it uses as much as digits as its factorization.

402401105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829795.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 402401105 is about 20059.9378114689. The cubic root of 402401105 is about 738.2776506621.

Adding to 402401105 its reverse (501104204), we get a palindrome (903505309).

The spelling of 402401105 in words is "four hundred two million, four hundred one thousand, one hundred five".