402214430551 has 4 divisors (see below), whose sum is σ = 419702014512. Its totient is φ = 384726846592.

The previous prime is 402214430543. The next prime is 402214430561. The reversal of 402214430551 is 155034412204.

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

It is a cyclic number.

It is not a de Polignac number, because 402214430551 - 2³ = 402214430543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402214430531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8743791946 + ... + 8743791991.

It is an arithmetic number, because the mean of its divisors is an integer number (104925503628).

Almost surely, 2^402214430551 is an apocalyptic number.

402214430551 is a deficient number, since it is larger than the sum of its proper divisors (17487583961).

402214430551 is a wasteful number, since it uses less digits than its factorization.

402214430551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17487583960.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 402214430551 its reverse (155034412204), we get a palindrome (557248842755).

The spelling of 402214430551 in words is "four hundred two billion, two hundred fourteen million, four hundred thirty thousand, five hundred fifty-one".