404110402 has 4 divisors (see below), whose sum is σ = 606165606. Its totient is φ = 202055200.

The previous prime is 404110397. The next prime is 404110403. The reversal of 404110402 is 204011404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 402443721 + 1666681 = 20061^2 + 1291^2 .

It is not an unprimeable number, because it can be changed into a prime (404110403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101027599 + ... + 101027602.

Almost surely, 2^404110402 is an apocalyptic number.

404110402 is a deficient number, since it is larger than the sum of its proper divisors (202055204).

404110402 is a wasteful number, since it uses less digits than its factorization.

404110402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202055203.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 404110402 is about 20102.4974070388. The cubic root of 404110402 is about 739.3215122627.

Adding to 404110402 its reverse (204011404), we get a palindrome (608121806).

The spelling of 404110402 in words is "four hundred four million, one hundred ten thousand, four hundred two".