26420056031 has 12 divisors (see below), whose sum is σ = 28420881120. Its totient is φ = 24551155200.

The previous prime is 26420056021. The next prime is 26420056037. The reversal of 26420056031 is 13065002462.

It is not a de Polignac number, because 26420056031 - 2¹⁰ = 26420055007 is a prime.

It is a super-3 number, since 3×26420056031³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26420055985 and 26420056003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26420056037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555770 + ... + 601431.

It is an arithmetic number, because the mean of its divisors is an integer number (2368406760).

Almost surely, 2^26420056031 is an apocalyptic number.

26420056031 is a deficient number, since it is larger than the sum of its proper divisors (2000825089).

26420056031 is a wasteful number, since it uses less digits than its factorization.

26420056031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157314 (or 1157297 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 26420056031 its reverse (13065002462), we get a palindrome (39485058493).

The spelling of 26420056031 in words is "twenty-six billion, four hundred twenty million, fifty-six thousand, thirty-one".