26279790 has 48 divisors (see below), whose sum is σ = 67077072. Its totient is φ = 6566656.

The previous prime is 26279783. The next prime is 26279801. The reversal of 26279790 is 9797262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115657 + ... + 115883.

It is an arithmetic number, because the mean of its divisors is an integer number (1397439).

Almost surely, 2^26279790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26279790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33538536).

26279790 is an abundant number, since it is smaller than the sum of its proper divisors (40797282).

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

26279790 is a wasteful number, since it uses less digits than its factorization.

26279790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 26279790 is about 5126.3817649488. The cubic root of 26279790 is about 297.3084801742.

The spelling of 26279790 in words is "twenty-six million, two hundred seventy-nine thousand, seven hundred ninety".