245634487808 has 80 divisors (see below), whose sum is σ = 509554417680. Its totient is φ = 118152093696.

The previous prime is 245634487801. The next prime is 245634487907. The reversal of 245634487808 is 808784436542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245634487801) 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, 4083035 + ... + 4142757.

It is an arithmetic number, because the mean of its divisors is an integer number (6369430221).

Almost surely, 2^245634487808 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 245634487808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254777208840).

245634487808 is an abundant number, since it is smaller than the sum of its proper divisors (263919929872).

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

245634487808 is an equidigital number, since it uses as much as digits as its factorization.

245634487808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60047 (or 60031 counting only the distinct ones).

The product of its (nonzero) digits is 41287680, while the sum is 59.

The spelling of 245634487808 in words is "two hundred forty-five billion, six hundred thirty-four million, four hundred eighty-seven thousand, eight hundred eight".