26257040222769 has 12 divisors (see below), whose sum is σ = 37927107800400. Its totient is φ = 17504567978904.

The previous prime is 26257040222731. The next prime is 26257040222827. The reversal of 26257040222769 is 96722204075262.

26257040222769 is a `hidden beast` number, since 2 + 6 + 2 + 5 + 7 + 0 + 402 + 227 + 6 + 9 = 666.

It is not a de Polignac number, because 26257040222769 - 2⁸ = 26257040222513 is a prime.

It is a super-2 number, since 2×26257040222769² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26257040222669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9124599 + ... + 11652140.

It is an arithmetic number, because the mean of its divisors is an integer number (3160592316700).

Almost surely, 2^{26257040222769} is an apocalyptic number.

It is an amenable number.

26257040222769 is a deficient number, since it is larger than the sum of its proper divisors (11670067577631).

26257040222769 is a wasteful number, since it uses less digits than its factorization.

26257040222769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20917164 (or 20917161 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 26257040222769 in words is "twenty-six trillion, two hundred fifty-seven billion, forty million, two hundred twenty-two thousand, seven hundred sixty-nine".