26877140 has 48 divisors (see below), whose sum is σ = 58741200. Its totient is φ = 10321920.

The previous prime is 26877127. The next prime is 26877157. The reversal of 26877140 is 4177862.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1817104 + 25060036 = 1348^2 + 5006^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 26877140.

It is a congruent number.

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, 59636 + ... + 60084.

It is an arithmetic number, because the mean of its divisors is an integer number (1223775).

Almost surely, 2^26877140 is an apocalyptic number.

26877140 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 26877140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29370600).

26877140 is an abundant number, since it is smaller than the sum of its proper divisors (31864060).

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

26877140 is a wasteful number, since it uses less digits than its factorization.

26877140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 26877140 is about 5184.3167341512. The cubic root of 26877140 is about 299.5442710172.

The spelling of 26877140 in words is "twenty-six million, eight hundred seventy-seven thousand, one hundred forty".