26520551264 has 12 divisors (see below), whose sum is σ = 52212335364. Its totient is φ = 13260275616.

The previous prime is 26520551207. The next prime is 26520551269. The reversal of 26520551264 is 46215502562.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26520551269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414383582 + ... + 414383645.

It is an arithmetic number, because the mean of its divisors is an integer number (4351027947).

Almost surely, 2^26520551264 is an apocalyptic number.

It is an amenable number.

26520551264 is a deficient number, since it is larger than the sum of its proper divisors (25691784100).

26520551264 is an equidigital number, since it uses as much as digits as its factorization.

26520551264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828767237 (or 828767229 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 26520551264 in words is "twenty-six billion, five hundred twenty million, five hundred fifty-one thousand, two hundred sixty-four".