26641332480 has 288 divisors, whose sum is σ = 98580190464. Its totient is φ = 6005587968.

The previous prime is 26641332437. The next prime is 26641332521. The reversal of 26641332480 is 8423314662.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1955452 + ... + 1969028.

It is an arithmetic number, because the mean of its divisors is an integer number (342292328).

Almost surely, 2^26641332480 is an apocalyptic number.

26641332480 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 26641332480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49290095232).

26641332480 is an abundant number, since it is smaller than the sum of its proper divisors (71938857984).

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

26641332480 is a wasteful number, since it uses less digits than its factorization.

26641332480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13681 (or 13667 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 26641332480 in words is "twenty-six billion, six hundred forty-one million, three hundred thirty-two thousand, four hundred eighty".