26664445355524 has 12 divisors (see below), whose sum is σ = 46665118615500. Its totient is φ = 13331554322528.

The previous prime is 26664445355473. The next prime is 26664445355531. The reversal of 26664445355524 is 42555354446662.

It can be written as a sum of positive squares in 2 ways, for example, as 12220128232900 + 14444317122624 = 3495730^2 + 3800568^2 .

It is a super-2 number, since 2×26664445355524² (a number of 28 digits) contains 22 as substring.

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, 166999039 + ... + 167158630.

It is an arithmetic number, because the mean of its divisors is an integer number (3888759884625).

Almost surely, 2^{26664445355524} is an apocalyptic number.

It is an amenable number.

26664445355524 is a deficient number, since it is larger than the sum of its proper divisors (20000673259976).

26664445355524 is a wasteful number, since it uses less digits than its factorization.

26664445355524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334177622 (or 334177620 counting only the distinct ones).

The product of its digits is 414720000, while the sum is 61.

The spelling of 26664445355524 in words is "twenty-six trillion, six hundred sixty-four billion, four hundred forty-five million, three hundred fifty-five thousand, five hundred twenty-four".