26340104021 has 48 divisors (see below), whose sum is σ = 34270853760. Its totient is φ = 19665730560.

The previous prime is 26340103969. The next prime is 26340104023. The reversal of 26340104021 is 12040104362.

It is not a de Polignac number, because 26340104021 - 2⁶ = 26340103957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26340104023) 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 47 ways as a sum of consecutive naturals, for example, 8870225 + ... + 8873193.

It is an arithmetic number, because the mean of its divisors is an integer number (713976120).

Almost surely, 2^26340104021 is an apocalyptic number.

It is an amenable number.

26340104021 is a deficient number, since it is larger than the sum of its proper divisors (7930749739).

26340104021 is a wasteful number, since it uses less digits than its factorization.

26340104021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182 (or 3153 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 26340104021 its reverse (12040104362), we get a palindrome (38380208383).

The spelling of 26340104021 in words is "twenty-six billion, three hundred forty million, one hundred four thousand, twenty-one".