245484736728 has 256 divisors, whose sum is σ = 772533780480. Its totient is φ = 63148800000.

The previous prime is 245484736699. The next prime is 245484736733. The reversal of 245484736728 is 827637484542.

245484736728 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 213278953 + ... + 213280103.

It is an arithmetic number, because the mean of its divisors is an integer number (3017710080).

Almost surely, 2^245484736728 is an apocalyptic number.

245484736728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245484736728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386266890240).

245484736728 is an abundant number, since it is smaller than the sum of its proper divisors (527049043752).

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

245484736728 is a wasteful number, since it uses less digits than its factorization.

245484736728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190 (or 2186 counting only the distinct ones).

The product of its digits is 72253440, while the sum is 60.

The spelling of 245484736728 in words is "two hundred forty-five billion, four hundred eighty-four million, seven hundred thirty-six thousand, seven hundred twenty-eight".