100404030402 has 48 divisors (see below), whose sum is σ = 239260694400. Its totient is φ = 30236234976.

The previous prime is 100404030401. The next prime is 100404030403. The reversal of 100404030402 is 204030404001.

It is an interprime number because it is at equal distance from previous prime (100404030401) and next prime (100404030403).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (100404030401) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 4553652 + ... + 4575647.

It is an arithmetic number, because the mean of its divisors is an integer number (4984597800).

Almost surely, 2^100404030402 is an apocalyptic number.

100404030402 is an abundant number, since it is smaller than the sum of its proper divisors (138856663998).

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

100404030402 is a wasteful number, since it uses less digits than its factorization.

100404030402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9129367 (or 9129364 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 100404030402 its reverse (204030404001), we get a palindrome (304434434403).

The spelling of 100404030402 in words is "one hundred billion, four hundred four million, thirty thousand, four hundred two".