245563040440 has 16 divisors (see below), whose sum is σ = 552516841080. Its totient is φ = 98225216160.

The previous prime is 245563040399. The next prime is 245563040441. The reversal of 245563040440 is 44040365542.

It is a self number, because there is not a number n which added to its sum of digits gives 245563040440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245563040441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3069537966 + ... + 3069538045.

Almost surely, 2^245563040440 is an apocalyptic number.

245563040440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245563040440 is an abundant number, since it is smaller than the sum of its proper divisors (306953800640).

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

245563040440 is a wasteful number, since it uses less digits than its factorization.

245563040440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6139076022 (or 6139076018 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

The spelling of 245563040440 in words is "two hundred forty-five billion, five hundred sixty-three million, forty thousand, four hundred forty".