245403321412512 has 96 divisors (see below), whose sum is σ = 657998624489472. Its totient is φ = 80047409417984.

The previous prime is 245403321412493. The next prime is 245403321412649. The reversal of 245403321412512 is 215214123304542.

It is a tau number, because it is divible by the number of its divisors (96).

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, 22786873 + ... + 31781255.

It is an arithmetic number, because the mean of its divisors is an integer number (6854152338432).

Almost surely, 2^{245403321412512} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245403321412512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328999312244736).

245403321412512 is an abundant number, since it is smaller than the sum of its proper divisors (412595303076960).

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

245403321412512 is a wasteful number, since it uses less digits than its factorization.

245403321412512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9000490 (or 9000482 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 245403321412512 in words is "two hundred forty-five trillion, four hundred three billion, three hundred twenty-one million, four hundred twelve thousand, five hundred twelve".