2440663001256 has 64 divisors (see below), whose sum is σ = 6128967121920. Its totient is φ = 809917755840.

The previous prime is 2440663001213. The next prime is 2440663001261. The reversal of 2440663001256 is 6521003660442.

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, 8198391 + ... + 8490873.

It is an arithmetic number, because the mean of its divisors is an integer number (95765111280).

Almost surely, 2^{2440663001256} is an apocalyptic number.

It is an amenable number.

2440663001256 is an abundant number, since it is smaller than the sum of its proper divisors (3688304120664).

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

2440663001256 is a wasteful number, since it uses less digits than its factorization.

2440663001256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294046 (or 294042 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

Adding to 2440663001256 its reverse (6521003660442), we get a palindrome (8961666661698).

The spelling of 2440663001256 in words is "two trillion, four hundred forty billion, six hundred sixty-three million, one thousand, two hundred fifty-six".