26545490612 has 12 divisors (see below), whose sum is σ = 46476120516. Its totient is φ = 13266599040.

The previous prime is 26545490603. The next prime is 26545490627. The reversal of 26545490612 is 21609454562.

It can be written as a sum of positive squares in 2 ways, for example, as 8316710416 + 18228780196 = 91196^2 + 135014^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1526843 + ... + 1544130.

It is an arithmetic number, because the mean of its divisors is an integer number (3873010043).

Almost surely, 2^26545490612 is an apocalyptic number.

It is an amenable number.

26545490612 is a deficient number, since it is larger than the sum of its proper divisors (19930629904).

26545490612 is a wasteful number, since it uses less digits than its factorization.

26545490612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3073138 (or 3073136 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 26545490612 in words is "twenty-six billion, five hundred forty-five million, four hundred ninety thousand, six hundred twelve".