26040067731 has 16 divisors (see below), whose sum is σ = 38616612000. Its totient is φ = 17342614944.

The previous prime is 26040067699. The next prime is 26040067813. The reversal of 26040067731 is 13776004062.

It is not a de Polignac number, because 26040067731 - 2⁵ = 26040067699 is a prime.

It is a super-2 number, since 2×26040067731² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26040067531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456756 + ... + 510593.

It is an arithmetic number, because the mean of its divisors is an integer number (2413538250).

Almost surely, 2^26040067731 is an apocalyptic number.

26040067731 is a deficient number, since it is larger than the sum of its proper divisors (12576544269).

26040067731 is an equidigital number, since it uses as much as digits as its factorization.

26040067731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968355 (or 968349 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The spelling of 26040067731 in words is "twenty-six billion, forty million, sixty-seven thousand, seven hundred thirty-one".