26401275415004 has 48 divisors (see below), whose sum is σ = 55597253644800. Its totient is φ = 10716302172096.

The previous prime is 26401275414991. The next prime is 26401275415007. The reversal of 26401275415004 is 40051457210462.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26401275415007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5078579 + ... + 8865354.

It is an arithmetic number, because the mean of its divisors is an integer number (1158276117600).

Almost surely, 2^{26401275415004} is an apocalyptic number.

It is an amenable number.

26401275415004 is an abundant number, since it is smaller than the sum of its proper divisors (29195978229796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26401275415004 is a wasteful number, since it uses less digits than its factorization.

26401275415004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13947522 (or 13947520 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 26401275415004 in words is "twenty-six trillion, four hundred one billion, two hundred seventy-five million, four hundred fifteen thousand, four".