26691941304 has 288 divisors, whose sum is σ = 88951122000. Its totient is φ = 7189668864.

The previous prime is 26691941299. The next prime is 26691941327. The reversal of 26691941304 is 40314919662.

It is a self number, because there is not a number n which added to its sum of digits gives 26691941304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15617602 + ... + 15619310.

Almost surely, 2^26691941304 is an apocalyptic number.

26691941304 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 26691941304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44475561000).

26691941304 is an abundant number, since it is smaller than the sum of its proper divisors (62259180696).

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

26691941304 is a wasteful number, since it uses less digits than its factorization.

26691941304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987 (or 1973 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 26691941304 in words is "twenty-six billion, six hundred ninety-one million, nine hundred forty-one thousand, three hundred four".