402314225261 has 8 divisors (see below), whose sum is σ = 437551192344. Its totient is φ = 367690075200.

The previous prime is 402314225231. The next prime is 402314225263. The reversal of 402314225261 is 162522413204.

It can be written as a sum of positive squares in 4 ways, for example, as 166244568361 + 236069656900 = 407731^2 + 485870^2 .

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 402314225261 - 2⁶ = 402314225197 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 (402314225263) 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, 153202886 + ... + 153205511.

It is an arithmetic number, because the mean of its divisors is an integer number (54693899043).

Almost surely, 2^402314225261 is an apocalyptic number.

It is an amenable number.

402314225261 is a deficient number, since it is larger than the sum of its proper divisors (35236967083).

402314225261 is a wasteful number, since it uses less digits than its factorization.

402314225261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306408511.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 402314225261 its reverse (162522413204), we get a palindrome (564836638465).

The spelling of 402314225261 in words is "four hundred two billion, three hundred fourteen million, two hundred twenty-five thousand, two hundred sixty-one".