245514756256 has 96 divisors (see below), whose sum is σ = 603786960000. Its totient is φ = 95471001600.

The previous prime is 245514756229. The next prime is 245514756287. The reversal of 245514756256 is 652657415542.

It is a happy number.

It is a super-2 number, since 2×245514756256² (a number of 24 digits) contains 22 as substring.

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, 1188120 + ... + 1379368.

It is an arithmetic number, because the mean of its divisors is an integer number (6289447500).

Almost surely, 2^245514756256 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 245514756256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301893480000).

245514756256 is an abundant number, since it is smaller than the sum of its proper divisors (358272203744).

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

245514756256 is a wasteful number, since it uses less digits than its factorization.

245514756256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191798 (or 191790 counting only the distinct ones).

The product of its digits is 10080000, while the sum is 52.

The spelling of 245514756256 in words is "two hundred forty-five billion, five hundred fourteen million, seven hundred fifty-six thousand, two hundred fifty-six".