402442240211 has 8 divisors (see below), whose sum is σ = 450893517744. Its totient is φ = 355968565920.

The previous prime is 402442240181. The next prime is 402442240231. The reversal of 402442240211 is 112042244204.

It is a happy number.

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

It is not a de Polignac number, because 402442240211 - 2³⁴ = 385262371027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402442240231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494400380 + ... + 494401193.

It is an arithmetic number, because the mean of its divisors is an integer number (56361689718).

Almost surely, 2^402442240211 is an apocalyptic number.

402442240211 is a deficient number, since it is larger than the sum of its proper divisors (48451277533).

402442240211 is a wasteful number, since it uses less digits than its factorization.

402442240211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988801621.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 402442240211 its reverse (112042244204), we get a palindrome (514484484415).

The spelling of 402442240211 in words is "four hundred two billion, four hundred forty-two million, two hundred forty thousand, two hundred eleven".