401210402 has 8 divisors (see below), whose sum is σ = 602118300. Its totient is φ = 200504304.

The previous prime is 401210393. The next prime is 401210417. The reversal of 401210402 is 204012104.

It can be written as a sum of positive squares in 2 ways, for example, as 256032001 + 145178401 = 16001^2 + 12049^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 45377 + ... + 53492.

Almost surely, 2^401210402 is an apocalyptic number.

401210402 is a deficient number, since it is larger than the sum of its proper divisors (200907898).

401210402 is a wasteful number, since it uses less digits than its factorization.

401210402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100900.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 401210402 is about 20030.2371928043. The cubic root of 401210402 is about 737.5487445327.

Adding to 401210402 its reverse (204012104), we get a palindrome (605222506).

The spelling of 401210402 in words is "four hundred one million, two hundred ten thousand, four hundred two".