402000810104 has 8 divisors (see below), whose sum is σ = 753751518960. Its totient is φ = 201000405048.

The previous prime is 402000810037. The next prime is 402000810179. The reversal of 402000810104 is 401018000204.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25125050624 + ... + 25125050639.

It is an arithmetic number, because the mean of its divisors is an integer number (94218939870).

Almost surely, 2^402000810104 is an apocalyptic number.

It is an amenable number.

402000810104 is a deficient number, since it is larger than the sum of its proper divisors (351750708856).

402000810104 is a wasteful number, since it uses less digits than its factorization.

402000810104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50250101269 (or 50250101265 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 402000810104 its reverse (401018000204), we get a palindrome (803018810308).

The spelling of 402000810104 in words is "four hundred two billion, eight hundred ten thousand, one hundred four".