26479220 has 24 divisors (see below), whose sum is σ = 56313600. Its totient is φ = 10456992.

The previous prime is 26479213. The next prime is 26479247. The reversal of 26479220 is 2297462.

It is a super-2 number, since 2×26479220² = 1402298183616800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6800 + ... + 9959.

It is an arithmetic number, because the mean of its divisors is an integer number (2346400).

Almost surely, 2^26479220 is an apocalyptic number.

26479220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26479220 is an abundant number, since it is smaller than the sum of its proper divisors (29834380).

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

26479220 is a wasteful number, since it uses less digits than its factorization.

26479220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16847 (or 16845 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 26479220 is about 5145.7963426471. The cubic root of 26479220 is about 298.0586494777.

The spelling of 26479220 in words is "twenty-six million, four hundred seventy-nine thousand, two hundred twenty".