26900181090 has 96 divisors (see below), whose sum is σ = 71018767872. Its totient is φ = 7063056000.

The previous prime is 26900181067. The next prime is 26900181103. The reversal of 26900181090 is 9018100962.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5818980 + ... + 5823600.

It is an arithmetic number, because the mean of its divisors is an integer number (739778832).

Almost surely, 2^26900181090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26900181090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35509383936).

26900181090 is an abundant number, since it is smaller than the sum of its proper divisors (44118586782).

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

26900181090 is a wasteful number, since it uses less digits than its factorization.

26900181090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5616 (or 5613 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The spelling of 26900181090 in words is "twenty-six billion, nine hundred million, one hundred eighty-one thousand, ninety".