26950780 has 48 divisors (see below), whose sum is σ = 61883136. Its totient is φ = 9815040.

The previous prime is 26950751. The next prime is 26950801. The reversal of 26950780 is 8705962.

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, 9262 + ... + 11818.

It is an arithmetic number, because the mean of its divisors is an integer number (1289232).

Almost surely, 2^26950780 is an apocalyptic number.

26950780 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 26950780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30941568).

26950780 is an abundant number, since it is smaller than the sum of its proper divisors (34932356).

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

26950780 is a wasteful number, since it uses less digits than its factorization.

26950780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614 (or 2612 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 26950780 is about 5191.4140655509. The cubic root of 26950780 is about 299.8175928182.

It can be divided in two parts, 26950 and 780, that added together give a triangular number (27730 = T₂₃₅).

The spelling of 26950780 in words is "twenty-six million, nine hundred fifty thousand, seven hundred eighty".