245806235712 has 672 divisors, whose sum is σ = 806454714240. Its totient is φ = 73322496000.

The previous prime is 245806235699. The next prime is 245806235747. The reversal of 245806235712 is 217532608542.

245806235712 is a `hidden beast` number, since 2 + 4 + 5 + 8 + 0 + 623 + 5 + 7 + 12 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 979307587 + ... + 979307837.

It is an arithmetic number, because the mean of its divisors is an integer number (1200081420).

Almost surely, 2^245806235712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245806235712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403227357120).

245806235712 is an abundant number, since it is smaller than the sum of its proper divisors (560648478528).

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

245806235712 is a wasteful number, since it uses less digits than its factorization.

245806235712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 245806235712 in words is "two hundred forty-five billion, eight hundred six million, two hundred thirty-five thousand, seven hundred twelve".