245342242032520 has 64 divisors (see below), whose sum is σ = 564874806006720. Its totient is φ = 95851743961344.

The previous prime is 245342242032509. The next prime is 245342242032553. The reversal of 245342242032520 is 25230242243542.

245342242032520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55164579 + ... + 59445901.

It is an arithmetic number, because the mean of its divisors is an integer number (8826168843855).

Almost surely, 2^{245342242032520} is an apocalyptic number.

245342242032520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245342242032520 is an abundant number, since it is smaller than the sum of its proper divisors (319532563974200).

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

245342242032520 is a wasteful number, since it uses less digits than its factorization.

245342242032520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4314694 (or 4314690 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 40.

The spelling of 245342242032520 in words is "two hundred forty-five trillion, three hundred forty-two billion, two hundred forty-two million, thirty-two thousand, five hundred twenty".