26761510104 has 128 divisors (see below), whose sum is σ = 78706114560. Its totient is φ = 7424258688.

The previous prime is 26761510093. The next prime is 26761510123. The reversal of 26761510104 is 40101516762.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 989449 + ... + 1016135.

It is an arithmetic number, because the mean of its divisors is an integer number (614891520).

Almost surely, 2^26761510104 is an apocalyptic number.

26761510104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26761510104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39353057280).

26761510104 is an abundant number, since it is smaller than the sum of its proper divisors (51944604456).

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

26761510104 is a wasteful number, since it uses less digits than its factorization.

26761510104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26877 (or 26873 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 26761510104 in words is "twenty-six billion, seven hundred sixty-one million, five hundred ten thousand, one hundred four".