26242380 has 120 divisors (see below), whose sum is σ = 83670048. Its totient is φ = 6884352.

The previous prime is 26242343. The next prime is 26242397. The reversal of 26242380 is 8324262.

26242380 is a `hidden beast` number, since 2 + 624 + 2 + 38 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 157057 + ... + 157223.

Almost surely, 2^26242380 is an apocalyptic number.

26242380 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 26242380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41835024).

26242380 is an abundant number, since it is smaller than the sum of its proper divisors (57427668).

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

26242380 is a wasteful number, since it uses less digits than its factorization.

26242380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 26242380 is about 5122.7316931497. The cubic root of 26242380 is about 297.1673375946.

The spelling of 26242380 in words is "twenty-six million, two hundred forty-two thousand, three hundred eighty".