26590947272 has 12 divisors (see below), whose sum is σ = 49858890945. Its totient is φ = 13295243024.

The previous prime is 26590947263. The next prime is 26590947277. The reversal of 26590947272 is 27274909562.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 24306680836 + 2284266436 = 155906^2 + 47794^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=115306.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26590947277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 432398 + ... + 490050.

Almost surely, 2^26590947272 is an apocalyptic number.

It is an amenable number.

26590947272 is a deficient number, since it is larger than the sum of its proper divisors (23267943673).

26590947272 is an frugal number, since it uses more digits than its factorization.

26590947272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115312 (or 57655 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 26590947272 in words is "twenty-six billion, five hundred ninety million, nine hundred forty-seven thousand, two hundred seventy-two".