404002042402 has 16 divisors (see below), whose sum is σ = 692585353152. Its totient is φ = 173141126640.

The previous prime is 404002042243. The next prime is 404002042427. The reversal of 404002042402 is 204240200404.

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, 970152 + ... + 1322572.

It is an arithmetic number, because the mean of its divisors is an integer number (43286584572).

Almost surely, 2^404002042402 is an apocalyptic number.

404002042402 is a deficient number, since it is larger than the sum of its proper divisors (288583310750).

404002042402 is a wasteful number, since it uses less digits than its factorization.

404002042402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434313.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 404002042402 its reverse (204240200404), we get a palindrome (608242242806).

It can be divided in two parts, 40400 and 2042402, that added together give a palindrome (2082802).

The spelling of 404002042402 in words is "four hundred four billion, two million, forty-two thousand, four hundred two".