404452536242 has 4 divisors (see below), whose sum is σ = 606678804366. Its totient is φ = 202226268120.

The previous prime is 404452536233. The next prime is 404452536253. The reversal of 404452536242 is 242635254404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 235466592001 + 168985944241 = 485249^2 + 411079^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 404452536242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101113134059 + ... + 101113134062.

Almost surely, 2^404452536242 is an apocalyptic number.

404452536242 is a deficient number, since it is larger than the sum of its proper divisors (202226268124).

404452536242 is a wasteful number, since it uses less digits than its factorization.

404452536242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202226268123.

The product of its (nonzero) digits is 921600, while the sum is 41.

The spelling of 404452536242 in words is "four hundred four billion, four hundred fifty-two million, five hundred thirty-six thousand, two hundred forty-two".