401036402 has 16 divisors (see below), whose sum is σ = 648920832. Its totient is φ = 184781520.

The previous prime is 401036359. The next prime is 401036417. The reversal of 401036402 is 204630104.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 3077 + ... + 28487.

It is an arithmetic number, because the mean of its divisors is an integer number (40557552).

Almost surely, 2^401036402 is an apocalyptic number.

401036402 is a deficient number, since it is larger than the sum of its proper divisors (247884430).

401036402 is a wasteful number, since it uses less digits than its factorization.

401036402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26033.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 401036402 is about 20025.8932884403. The cubic root of 401036402 is about 737.4421071860.

Adding to 401036402 its reverse (204630104), we get a palindrome (605666506).

The spelling of 401036402 in words is "four hundred one million, thirty-six thousand, four hundred two".