26782380 has 48 divisors (see below), whose sum is σ = 83324640. Its totient is φ = 7141824.

The previous prime is 26782351. The next prime is 26782403. The reversal of 26782380 is 8328762.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 24259 + ... + 25338.

It is an arithmetic number, because the mean of its divisors is an integer number (1735930).

Almost surely, 2^26782380 is an apocalyptic number.

26782380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26782380 is an abundant number, since it is smaller than the sum of its proper divisors (56542260).

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

26782380 is a wasteful number, since it uses less digits than its factorization.

26782380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49615 (or 49607 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 26782380 is about 5175.1695624395. The cubic root of 26782380 is about 299.1918247978.

The spelling of 26782380 in words is "twenty-six million, seven hundred eighty-two thousand, three hundred eighty".