245012475720 has 64 divisors (see below), whose sum is σ = 735074663040. Its totient is φ = 65333350400.

The previous prime is 245012475703. The next prime is 245012475733. The reversal of 245012475720 is 27574210542.

It is a happy number.

245012475720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×245012475720² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3148885 + ... + 3225755.

It is an arithmetic number, because the mean of its divisors is an integer number (11485541610).

Almost surely, 2^245012475720 is an apocalyptic number.

245012475720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245012475720 is an abundant number, since it is smaller than the sum of its proper divisors (490062187320).

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

245012475720 is a wasteful number, since it uses less digits than its factorization.

245012475720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103446 (or 103442 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 39.

The spelling of 245012475720 in words is "two hundred forty-five billion, twelve million, four hundred seventy-five thousand, seven hundred twenty".