26220066354 has 24 divisors (see below), whose sum is σ = 58345554540. Its totient is φ = 8503805088.

The previous prime is 26220066337. The next prime is 26220066361. The reversal of 26220066354 is 45366002262.

26220066354 is a `hidden beast` number, since 26 + 220 + 0 + 66 + 354 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23233990329 + 2986076025 = 152427^2 + 54645^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19684069 + ... + 19685400.

Almost surely, 2^26220066354 is an apocalyptic number.

26220066354 is an abundant number, since it is smaller than the sum of its proper divisors (32125488186).

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

26220066354 is a wasteful number, since it uses less digits than its factorization.

26220066354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39369514 (or 39369511 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 26220066354 in words is "twenty-six billion, two hundred twenty million, sixty-six thousand, three hundred fifty-four".