26257670224216 has 32 divisors (see below), whose sum is σ = 50822056817280. Its totient is φ = 12705134400000.

The previous prime is 26257670224211. The next prime is 26257670224217. The reversal of 26257670224216 is 61242207675262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26257670224211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16603990 + ... + 18116506.

It is an arithmetic number, because the mean of its divisors is an integer number (1588189275540).

Almost surely, 2^{26257670224216} is an apocalyptic number.

It is an amenable number.

26257670224216 is a deficient number, since it is larger than the sum of its proper divisors (24564386593064).

26257670224216 is a wasteful number, since it uses less digits than its factorization.

26257670224216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582555 (or 1582551 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 52.

Adding to 26257670224216 its reverse (61242207675262), we get a palindrome (87499877899478).

The spelling of 26257670224216 in words is "twenty-six trillion, two hundred fifty-seven billion, six hundred seventy million, two hundred twenty-four thousand, two hundred sixteen".