26798840 has 16 divisors (see below), whose sum is σ = 60297480. Its totient is φ = 10719520.

The previous prime is 26798839. The next prime is 26798843. The reversal of 26798840 is 4889762.

It is a junction number, because it is equal to n+sod(n) for n = 26798791 and 26798800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26798843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334946 + ... + 335025.

Almost surely, 2^26798840 is an apocalyptic number.

26798840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26798840 is an abundant number, since it is smaller than the sum of its proper divisors (33498640).

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

26798840 is a wasteful number, since it uses less digits than its factorization.

26798840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669982 (or 669978 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 26798840 is about 5176.7596042312. The cubic root of 26798840 is about 299.2531049990.

The spelling of 26798840 in words is "twenty-six million, seven hundred ninety-eight thousand, eight hundred forty".