26558130 has 64 divisors (see below), whose sum is σ = 65939328. Its totient is φ = 6842880.

The previous prime is 26558111. The next prime is 26558137. The reversal of 26558130 is 3185562.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (26558137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146640 + ... + 146820.

It is an arithmetic number, because the mean of its divisors is an integer number (1030302).

Almost surely, 2^26558130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26558130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32969664).

26558130 is an abundant number, since it is smaller than the sum of its proper divisors (39381198).

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

26558130 is a wasteful number, since it uses less digits than its factorization.

26558130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 26558130 is about 5153.4580623112. The cubic root of 26558130 is about 298.3544346639.

The spelling of 26558130 in words is "twenty-six million, five hundred fifty-eight thousand, one hundred thirty".