26492980 has 12 divisors (see below), whose sum is σ = 55635300. Its totient is φ = 10597184.

The previous prime is 26492969. The next prime is 26493023. The reversal of 26492980 is 8929462.

It can be written as a sum of positive squares in 2 ways, for example, as 10074276 + 16418704 = 3174^2 + 4052^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662305 + ... + 662344.

It is an arithmetic number, because the mean of its divisors is an integer number (4636275).

Almost surely, 2^26492980 is an apocalyptic number.

26492980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26492980 is an abundant number, since it is smaller than the sum of its proper divisors (29142320).

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

26492980 is a wasteful number, since it uses less digits than its factorization.

26492980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324658 (or 1324656 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 26492980 is about 5147.1331826561. The cubic root of 26492980 is about 298.1102695381.

It can be divided in two parts, 26492 and 980, that added together give a palindrome (27472).

The spelling of 26492980 in words is "twenty-six million, four hundred ninety-two thousand, nine hundred eighty".