402342211 has 8 divisors (see below), whose sum is σ = 419990400. Its totient is φ = 384985920.

The previous prime is 402342163. The next prime is 402342229. The reversal of 402342211 is 112243204.

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

It is a cyclic number.

It is not a de Polignac number, because 402342211 - 2²⁵ = 368787779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402345211) 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, 70156 + ... + 75673.

It is an arithmetic number, because the mean of its divisors is an integer number (52498800).

Almost surely, 2^402342211 is an apocalyptic number.

402342211 is a deficient number, since it is larger than the sum of its proper divisors (17648189).

402342211 is a wasteful number, since it uses less digits than its factorization.

402342211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145949.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 402342211 is about 20058.4698070416. The cubic root of 402342211 is about 738.2416316711.

Adding to 402342211 its reverse (112243204), we get a palindrome (514585415).

The spelling of 402342211 in words is "four hundred two million, three hundred forty-two thousand, two hundred eleven".