245636868456 has 48 divisors (see below), whose sum is σ = 760304594400. Its totient is φ = 70181962272.

The previous prime is 245636868391. The next prime is 245636868479. The reversal of 245636868456 is 654868636542.

It is a happy number.

245636868456 is a `hidden beast` number, since 2 + 4 + 5 + 63 + 68 + 68 + 456 = 666.

245636868456 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×245636868456² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 245636868393 and 245636868402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243686866 + ... + 243687873.

It is an arithmetic number, because the mean of its divisors is an integer number (15839679050).

Almost surely, 2^245636868456 is an apocalyptic number.

It is an amenable number.

245636868456 is an abundant number, since it is smaller than the sum of its proper divisors (514667725944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245636868456 is a wasteful number, since it uses less digits than its factorization.

245636868456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487374758 (or 487374751 counting only the distinct ones).

The product of its digits is 199065600, while the sum is 63.

The spelling of 245636868456 in words is "two hundred forty-five billion, six hundred thirty-six million, eight hundred sixty-eight thousand, four hundred fifty-six".