26208000390 has 128 divisors (see below), whose sum is σ = 74310566400. Its totient is φ = 5831792640.

The previous prime is 26208000389. The next prime is 26208000397. The reversal of 26208000390 is 9300080262.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26208000397) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 750846 + ... + 784974.

It is an arithmetic number, because the mean of its divisors is an integer number (580551300).

Almost surely, 2^26208000390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26208000390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37155283200).

26208000390 is an abundant number, since it is smaller than the sum of its proper divisors (48102566010).

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

26208000390 is a wasteful number, since it uses less digits than its factorization.

26208000390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34342.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 26208000390 in words is "twenty-six billion, two hundred eight million, three hundred ninety", and thus it is an aban number.