245244520016 has 20 divisors (see below), whose sum is σ = 476113500000. Its totient is φ = 122376520032.

The previous prime is 245244520013. The next prime is 245244520021. The reversal of 245244520016 is 610025442542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245244520013) 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, 15350516 + ... + 15366483.

It is an arithmetic number, because the mean of its divisors is an integer number (23805675000).

Almost surely, 2^245244520016 is an apocalyptic number.

It is an amenable number.

245244520016 is a deficient number, since it is larger than the sum of its proper divisors (230868979984).

245244520016 is a wasteful number, since it uses less digits than its factorization.

245244520016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30717506 (or 30717500 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 245244520016 its reverse (610025442542), we get a palindrome (855269962558).

The spelling of 245244520016 in words is "two hundred forty-five billion, two hundred forty-four million, five hundred twenty thousand, sixteen".