245568081492 has 72 divisors (see below), whose sum is σ = 657022489760. Its totient is φ = 77119335360.

The previous prime is 245568081481. The next prime is 245568081533. The reversal of 245568081492 is 294180865542.

245568081492 is a `hidden beast` number, since 2 + 4 + 556 + 8 + 0 + 81 + 4 + 9 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 867958 + ... + 1115565.

Almost surely, 2^245568081492 is an apocalyptic number.

It is an amenable number.

245568081492 is an abundant number, since it is smaller than the sum of its proper divisors (411454408268).

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

245568081492 is a wasteful number, since it uses less digits than its factorization.

245568081492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983733 (or 1983728 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 245568081492 in words is "two hundred forty-five billion, five hundred sixty-eight million, eighty-one thousand, four hundred ninety-two".