26911062380 has 48 divisors (see below), whose sum is σ = 58101947904. Its totient is φ = 10464189120.

The previous prime is 26911062379. The next prime is 26911062389. The reversal of 26911062380 is 8326011962.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26911062389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107309 + ... + 255611.

It is an arithmetic number, because the mean of its divisors is an integer number (1210457248).

Almost surely, 2^26911062380 is an apocalyptic number.

26911062380 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 26911062380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29050973952).

26911062380 is an abundant number, since it is smaller than the sum of its proper divisors (31190885524).

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

26911062380 is a wasteful number, since it uses less digits than its factorization.

26911062380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148566 (or 148564 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 26911062380 in words is "twenty-six billion, nine hundred eleven million, sixty-two thousand, three hundred eighty".