402424341401 has 4 divisors (see below), whose sum is σ = 402578117172. Its totient is φ = 402270565632.

The previous prime is 402424341373. The next prime is 402424341413. The reversal of 402424341401 is 104143424204.

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

It can be written as a sum of positive squares in 2 ways, for example, as 290627731801 + 111796609600 = 539099^2 + 334360^2 .

It is a cyclic number.

It is not a de Polignac number, because 402424341401 - 2¹⁸ = 402424079257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402424341491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76883960 + ... + 76889193.

It is an arithmetic number, because the mean of its divisors is an integer number (100644529293).

Almost surely, 2^402424341401 is an apocalyptic number.

It is an amenable number.

402424341401 is a deficient number, since it is larger than the sum of its proper divisors (153775771).

402424341401 is a wasteful number, since it uses less digits than its factorization.

402424341401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153775770.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 402424341401 its reverse (104143424204), we get a palindrome (506567765605).

The spelling of 402424341401 in words is "four hundred two billion, four hundred twenty-four million, three hundred forty-one thousand, four hundred one".