245538367648 has 48 divisors (see below), whose sum is σ = 552600546624. Its totient is φ = 105204211200.

The previous prime is 245538367619. The next prime is 245538367667. The reversal of 245538367648 is 846763835542.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765948 + ... + 1038148.

It is an arithmetic number, because the mean of its divisors is an integer number (11512511388).

Almost surely, 2^245538367648 is an apocalyptic number.

245538367648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

245538367648 is an abundant number, since it is smaller than the sum of its proper divisors (307062178976).

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

245538367648 is a wasteful number, since it uses less digits than its factorization.

245538367648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276245 (or 276237 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 61.

The spelling of 245538367648 in words is "two hundred forty-five billion, five hundred thirty-eight million, three hundred sixty-seven thousand, six hundred forty-eight".