402240216347 has 2 divisors, whose sum is σ = 402240216348. Its totient is φ = 402240216346.

The previous prime is 402240216307. The next prime is 402240216401. The reversal of 402240216347 is 743612042204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402240216347 - 2¹⁰ = 402240215323 is a prime.

It is not a weakly prime, because it can be changed into another prime (402240216307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201120108173 + 201120108174.

It is an arithmetic number, because the mean of its divisors is an integer number (201120108174).

Almost surely, 2^402240216347 is an apocalyptic number.

402240216347 is a deficient number, since it is larger than the sum of its proper divisors (1).

402240216347 is an equidigital number, since it uses as much as digits as its factorization.

402240216347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 35.

The spelling of 402240216347 in words is "four hundred two billion, two hundred forty million, two hundred sixteen thousand, three hundred forty-seven".