26938899000 has 320 divisors, whose sum is σ = 101413952640. Its totient is φ = 6630854400.

The previous prime is 26938898957. The next prime is 26938899007. The reversal of 26938899000 is 99883962.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26938899007) 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 79 ways as a sum of consecutive naturals, for example, 1040209 + ... + 1065791.

It is an arithmetic number, because the mean of its divisors is an integer number (316918602).

Almost surely, 2^26938899000 is an apocalyptic number.

26938899000 is a gapful number since it is divisible by the number (20) 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 26938899000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50706976320).

26938899000 is an abundant number, since it is smaller than the sum of its proper divisors (74475053640).

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

26938899000 is a wasteful number, since it uses less digits than its factorization.

26938899000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25629 (or 25606 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 26938899000 in words is "twenty-six billion, nine hundred thirty-eight million, eight hundred ninety-nine thousand".