26213702280 has 128 divisors (see below), whose sum is σ = 81116380800. Its totient is φ = 6771935232.

The previous prime is 26213702267. The next prime is 26213702287. The reversal of 26213702280 is 8220731262.

It is not an unprimeable number, because it can be changed into a prime (26213702287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1021851 + ... + 1047189.

It is an arithmetic number, because the mean of its divisors is an integer number (633721725).

Almost surely, 2^26213702280 is an apocalyptic number.

26213702280 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 26213702280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40558190400).

26213702280 is an abundant number, since it is smaller than the sum of its proper divisors (54902678520).

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

26213702280 is a wasteful number, since it uses less digits than its factorization.

26213702280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25623 (or 25619 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The spelling of 26213702280 in words is "twenty-six billion, two hundred thirteen million, seven hundred two thousand, two hundred eighty".