402655241361 has 16 divisors (see below), whose sum is σ = 572603770944. Its totient is φ = 250802287104.

The previous prime is 402655241353. The next prime is 402655241369. The reversal of 402655241361 is 163142556204.

It is an interprime number because it is at equal distance from previous prime (402655241353) and next prime (402655241369).

It is not a de Polignac number, because 402655241361 - 2³ = 402655241353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402655241369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28807615 + ... + 28821588.

It is an arithmetic number, because the mean of its divisors is an integer number (35787735684).

Almost surely, 2^402655241361 is an apocalyptic number.

It is an amenable number.

402655241361 is a deficient number, since it is larger than the sum of its proper divisors (169948529583).

402655241361 is a wasteful number, since it uses less digits than its factorization.

402655241361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57629360.

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 402655241361 its reverse (163142556204), we get a palindrome (565797797565).

The spelling of 402655241361 in words is "four hundred two billion, six hundred fifty-five million, two hundred forty-one thousand, three hundred sixty-one".