201234402040402 has 32 divisors (see below), whose sum is σ = 313662895830000. Its totient is φ = 96711378306816.

The previous prime is 201234402040349. The next prime is 201234402040459. The reversal of 201234402040402 is 204040204432102.

It can be written as a sum of positive squares in 8 ways, for example, as 121310641120321 + 79923760920081 = 11014111^2 + 8940009^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106233624 + ... + 108111292.

Almost surely, 2^{201234402040402} is an apocalyptic number.

201234402040402 is a deficient number, since it is larger than the sum of its proper divisors (112428493789598).

201234402040402 is a wasteful number, since it uses less digits than its factorization.

201234402040402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885998.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 201234402040402 its reverse (204040204432102), we get a palindrome (405274606472504).

The spelling of 201234402040402 in words is "two hundred one trillion, two hundred thirty-four billion, four hundred two million, forty thousand, four hundred two".