26450560 has 64 divisors (see below), whose sum is σ = 65000520. Its totient is φ = 10285056.

The previous prime is 26450539. The next prime is 26450561. The reversal of 26450560 is 6505462.

It can be written as a sum of positive squares in 4 ways, for example, as 19855936 + 6594624 = 4456^2 + 2568^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (26450561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23122 + ... + 24238.

Almost surely, 2^26450560 is an apocalyptic number.

26450560 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 26450560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32500260).

26450560 is an abundant number, since it is smaller than the sum of its proper divisors (38549960).

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

26450560 is a wasteful number, since it uses less digits than its factorization.

26450560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173 (or 1161 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 26450560 is about 5143.0107913556. The cubic root of 26450560 is about 297.9510752527.

The spelling of 26450560 in words is "twenty-six million, four hundred fifty thousand, five hundred sixty".