2256532512450 has 24 divisors (see below), whose sum is σ = 5596200631248. Its totient is φ = 601742003280.

The previous prime is 2256532512449. The next prime is 2256532512457. The reversal of 2256532512450 is 542152356522.

It is not an unprimeable number, because it can be changed into a prime (2256532512457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7521774892 + ... + 7521775191.

It is an arithmetic number, because the mean of its divisors is an integer number (233175026302).

Almost surely, 2^{2256532512450} is an apocalyptic number.

2256532512450 is an abundant number, since it is smaller than the sum of its proper divisors (3339668118798).

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

2256532512450 is a wasteful number, since it uses less digits than its factorization.

2256532512450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15043550098 (or 15043550093 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 2256532512450 its reverse (542152356522), we get a palindrome (2798684868972).

The spelling of 2256532512450 in words is "two trillion, two hundred fifty-six billion, five hundred thirty-two million, five hundred twelve thousand, four hundred fifty".