402240011 has 2 divisors, whose sum is σ = 402240012. Its totient is φ = 402240010.

The previous prime is 402239983. The next prime is 402240019. The reversal of 402240011 is 110042204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402240011 is a prime.

It is not a weakly prime, because it can be changed into another prime (402240019) by changing a digit.

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 as a sum of consecutive naturals, namely, 201120005 + 201120006.

It is an arithmetic number, because the mean of its divisors is an integer number (201120006).

Almost surely, 2^402240011 is an apocalyptic number.

402240011 is a deficient number, since it is larger than the sum of its proper divisors (1).

402240011 is an equidigital number, since it uses as much as digits as its factorization.

402240011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 402240011 is about 20055.9220929879. The cubic root of 402240011 is about 738.1791188136.

Adding to 402240011 its reverse (110042204), we get a palindrome (512282215).

The spelling of 402240011 in words is "four hundred two million, two hundred forty thousand, eleven".