26261379 has 24 divisors (see below), whose sum is σ = 41258880. Its totient is φ = 16028928.

The previous prime is 26261369. The next prime is 26261381. The reversal of 26261379 is 97316262.

26261379 is a `hidden beast` number, since 26 + 261 + 379 = 666.

It is not a de Polignac number, because 26261379 - 2¹⁵ = 26228611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26261329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3342 + ... + 7980.

It is an arithmetic number, because the mean of its divisors is an integer number (1719120).

Almost surely, 2^26261379 is an apocalyptic number.

26261379 is a deficient number, since it is larger than the sum of its proper divisors (14997501).

26261379 is a wasteful number, since it uses less digits than its factorization.

26261379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4699 (or 4696 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 26261379 is about 5124.5857393549. The cubic root of 26261379 is about 297.2390348554.

It can be divided in two parts, 2626 and 1379, that added together give a triangular number (4005 = T₈₉).

The spelling of 26261379 in words is "twenty-six million, two hundred sixty-one thousand, three hundred seventy-nine".