402454242513 has 48 divisors (see below), whose sum is σ = 605178974400. Its totient is φ = 257577978240.

The previous prime is 402454242511. The next prime is 402454242517. The reversal of 402454242513 is 315242454204.

402454242513 is a `hidden beast` number, since 4 + 0 + 24 + 542 + 42 + 51 + 3 = 666.

It is not a de Polignac number, because 402454242513 - 2¹ = 402454242511 is a prime.

It is a super-3 number, since 3×402454242513³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (402454242511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3959158 + ... + 4059536.

It is an arithmetic number, because the mean of its divisors is an integer number (12607895300).

Almost surely, 2^402454242513 is an apocalyptic number.

It is an amenable number.

402454242513 is a deficient number, since it is larger than the sum of its proper divisors (202724731887).

402454242513 is a wasteful number, since it uses less digits than its factorization.

402454242513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100622 (or 100619 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 402454242513 its reverse (315242454204), we get a palindrome (717696696717).

The spelling of 402454242513 in words is "four hundred two billion, four hundred fifty-four million, two hundred forty-two thousand, five hundred thirteen".