26277940 has 48 divisors (see below), whose sum is σ = 59834880. Its totient is φ = 9636480.

The previous prime is 26277919. The next prime is 26277941. The reversal of 26277940 is 4977262.

It is a happy number.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 26277940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26277941) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 54621 + ... + 55099.

It is an arithmetic number, because the mean of its divisors is an integer number (1246560).

Almost surely, 2^26277940 is an apocalyptic number.

26277940 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 26277940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29917440).

26277940 is an abundant number, since it is smaller than the sum of its proper divisors (33556940).

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

26277940 is a wasteful number, since it uses less digits than its factorization.

26277940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 26277940 is about 5126.2013226170. The cubic root of 26277940 is about 297.3015035381.

The spelling of 26277940 in words is "twenty-six million, two hundred seventy-seven thousand, nine hundred forty".