2040100402 has 8 divisors (see below), whose sum is σ = 3240159516. Its totient is φ = 960047232.

The previous prime is 2040100399. The next prime is 2040100451. The reversal of 2040100402 is 2040010402.

It can be written as a sum of positive squares in 2 ways, for example, as 2014304161 + 25796241 = 44881^2 + 5079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 30001443 + ... + 30001510.

Almost surely, 2^2040100402 is an apocalyptic number.

2040100402 is a deficient number, since it is larger than the sum of its proper divisors (1200059114).

2040100402 is a wasteful number, since it uses less digits than its factorization.

2040100402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60002972.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2040100402 is about 45167.4706176912. The cubic root of 2040100402 is about 1268.2859473299.

Adding to 2040100402 its reverse (2040010402), we get a palindrome (4080110804).

Subtracting from 2040100402 its reverse (2040010402), we obtain a square (90000 = 300²).

The spelling of 2040100402 in words is "two billion, forty million, one hundred thousand, four hundred two".