26724480 has 128 divisors (see below), whose sum is σ = 88128000. Its totient is φ = 6881280.

The previous prime is 26724479. The next prime is 26724553. The reversal of 26724480 is 8442762.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59296 + ... + 59744.

It is an arithmetic number, because the mean of its divisors is an integer number (688500).

Almost surely, 2^26724480 is an apocalyptic number.

26724480 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 26724480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44064000).

26724480 is an abundant number, since it is smaller than the sum of its proper divisors (61403520).

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

26724480 is a wasteful number, since it uses less digits than its factorization.

26724480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 26724480 is about 5169.5725161758. The cubic root of 26724480 is about 298.9760647201.

The spelling of 26724480 in words is "twenty-six million, seven hundred twenty-four thousand, four hundred eighty".