26666252748 has 72 divisors (see below), whose sum is σ = 67769878176. Its totient is φ = 8840928000.

The previous prime is 26666252747. The next prime is 26666252771. The reversal of 26666252748 is 84725266662.

It is a happy number.

It is a super-2 number, since 2×26666252748² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26666252694 and 26666252703.

It is not an unprimeable number, because it can be changed into a prime (26666252747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7203298 + ... + 7206998.

It is an arithmetic number, because the mean of its divisors is an integer number (941248308).

Almost surely, 2^26666252748 is an apocalyptic number.

It is an amenable number.

26666252748 is an abundant number, since it is smaller than the sum of its proper divisors (41103625428).

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

26666252748 is a wasteful number, since it uses less digits than its factorization.

26666252748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4735 (or 4730 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 26666252748 in words is "twenty-six billion, six hundred sixty-six million, two hundred fifty-two thousand, seven hundred forty-eight".