26478885284 has 12 divisors (see below), whose sum is σ = 46341717324. Its totient is φ = 13238394624.

The previous prime is 26478885283. The next prime is 26478885289. The reversal of 26478885284 is 48258887462.

It can be written as a sum of positive squares in 2 ways, for example, as 5052366400 + 21426518884 = 71080^2 + 146378^2 .

It is a super-2 number, since 2×26478885284² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26478885283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203717 + ... + 307340.

It is an arithmetic number, because the mean of its divisors is an integer number (3861809777).

Almost surely, 2^26478885284 is an apocalyptic number.

It is an amenable number.

26478885284 is a deficient number, since it is larger than the sum of its proper divisors (19862832040).

26478885284 is a wasteful number, since it uses less digits than its factorization.

26478885284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524014 (or 524012 counting only the distinct ones).

The product of its digits is 55050240, while the sum is 62.

The spelling of 26478885284 in words is "twenty-six billion, four hundred seventy-eight million, eight hundred eighty-five thousand, two hundred eighty-four".