26485580 has 48 divisors (see below), whose sum is σ = 61205760. Its totient is φ = 9547200.

The previous prime is 26485577. The next prime is 26485597. The reversal of 26485580 is 8558462.

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, 28361 + ... + 29279.

It is an arithmetic number, because the mean of its divisors is an integer number (1275120).

Almost surely, 2^26485580 is an apocalyptic number.

26485580 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 26485580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30602880).

26485580 is an abundant number, since it is smaller than the sum of its proper divisors (34720180).

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

26485580 is a wasteful number, since it uses less digits than its factorization.

26485580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 26485580 is about 5146.4142856945. The cubic root of 26485580 is about 298.0825109718.

It can be divided in two parts, 2648 and 5580, that added together give a palindrome (8228).

The spelling of 26485580 in words is "twenty-six million, four hundred eighty-five thousand, five hundred eighty".