26445388066 has 16 divisors (see below), whose sum is σ = 40794526080. Its totient is φ = 12848166000.

The previous prime is 26445388061. The next prime is 26445388093. The reversal of 26445388066 is 66088354462.

It is a super-2 number, since 2×26445388066² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26445388061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182356 + ... + 293503.

It is an arithmetic number, because the mean of its divisors is an integer number (2549657880).

Almost surely, 2^26445388066 is an apocalyptic number.

26445388066 is a deficient number, since it is larger than the sum of its proper divisors (14349138014).

26445388066 is a wasteful number, since it uses less digits than its factorization.

26445388066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476649.

The product of its (nonzero) digits is 6635520, while the sum is 52.

The spelling of 26445388066 in words is "twenty-six billion, four hundred forty-five million, three hundred eighty-eight thousand, sixty-six".