400102104 has 64 divisors (see below), whose sum is σ = 1014768000. Its totient is φ = 131446784.

The previous prime is 400102103. The next prime is 400102121. The reversal of 400102104 is 401201004.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 400102104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400102103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 890872 + ... + 891320.

It is an arithmetic number, because the mean of its divisors is an integer number (15855750).

Almost surely, 2^400102104 is an apocalyptic number.

It is an amenable number.

400102104 is an abundant number, since it is smaller than the sum of its proper divisors (614665896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400102104 is a wasteful number, since it uses less digits than its factorization.

400102104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 400102104 is about 20002.5524371266. The cubic root of 400102104 is about 736.8689867866.

Adding to 400102104 its reverse (401201004), we get a palindrome (801303108).

The spelling of 400102104 in words is "four hundred million, one hundred two thousand, one hundred four".