201104040402 has 24 divisors (see below), whose sum is σ = 436392713484. Its totient is φ = 66932019744.

The previous prime is 201104040353. The next prime is 201104040409. The reversal of 201104040402 is 204040401102.

201104040402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 194340787281 + 6763253121 = 440841^2 + 82239^2 .

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 (201104040409) 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 11 ways as a sum of consecutive naturals, for example, 8542953 + ... + 8566460.

Almost surely, 2^201104040402 is an apocalyptic number.

201104040402 is an abundant number, since it is smaller than the sum of its proper divisors (235288673082).

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

201104040402 is a wasteful number, since it uses less digits than its factorization.

201104040402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17110074 (or 17110071 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 201104040402 its reverse (204040401102), we get a palindrome (405144441504).

The spelling of 201104040402 in words is "two hundred one billion, one hundred four million, forty thousand, four hundred two".