26264536388 has 6 divisors (see below), whose sum is σ = 45962938686. Its totient is φ = 13132268192.

The previous prime is 26264536307. The next prime is 26264536411. The reversal of 26264536388 is 88363546262.

It can be written as a sum of positive squares in only one way, i.e., 16742289664 + 9522246724 = 129392^2 + 97582^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3283067045 + ... + 3283067052.

It is an arithmetic number, because the mean of its divisors is an integer number (7660489781).

Almost surely, 2^26264536388 is an apocalyptic number.

It is an amenable number.

26264536388 is a deficient number, since it is larger than the sum of its proper divisors (19698402298).

26264536388 is a wasteful number, since it uses less digits than its factorization.

26264536388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6566134101 (or 6566134099 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 53.

The spelling of 26264536388 in words is "twenty-six billion, two hundred sixty-four million, five hundred thirty-six thousand, three hundred eighty-eight".