26040765377 has 12 divisors (see below), whose sum is σ = 28693358820. Its totient is φ = 23615496960.

The previous prime is 26040765337. The next prime is 26040765389. The reversal of 26040765377 is 77356704062.

It can be written as a sum of positive squares in 2 ways, for example, as 17296458256 + 8744307121 = 131516^2 + 93511^2 .

It is a de Polignac number, because none of the positive numbers 2^k-26040765377 is a prime.

It is a super-2 number, since 2×26040765377² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26040765307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213608 + ... + 312585.

It is an arithmetic number, because the mean of its divisors is an integer number (2391113235).

Almost surely, 2^26040765377 is an apocalyptic number.

It is an amenable number.

26040765377 is a deficient number, since it is larger than the sum of its proper divisors (2652593443).

26040765377 is a wasteful number, since it uses less digits than its factorization.

26040765377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526624 (or 526613 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 47.

The spelling of 26040765377 in words is "twenty-six billion, forty million, seven hundred sixty-five thousand, three hundred seventy-seven".