26145534732 has 12 divisors (see below), whose sum is σ = 61006247736. Its totient is φ = 8715178240.

The previous prime is 26145534721. The next prime is 26145534739. The reversal of 26145534732 is 23743554162.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (26145534739) 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, 1089397269 + ... + 1089397292.

It is an arithmetic number, because the mean of its divisors is an integer number (5083853978).

Almost surely, 2^26145534732 is an apocalyptic number.

It is an amenable number.

26145534732 is an abundant number, since it is smaller than the sum of its proper divisors (34860713004).

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

26145534732 is a wasteful number, since it uses less digits than its factorization.

26145534732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178794568 (or 2178794566 counting only the distinct ones).

The product of its digits is 604800, while the sum is 42.

The spelling of 26145534732 in words is "twenty-six billion, one hundred forty-five million, five hundred thirty-four thousand, seven hundred thirty-two".