26340285 has 16 divisors (see below), whose sum is σ = 42208704. Its totient is φ = 14026752.

The previous prime is 26340277. The next prime is 26340287. The reversal of 26340285 is 58204362.

It is not a de Polignac number, because 26340285 - 2³ = 26340277 is a prime.

It is a super-2 number, since 2×26340285² = 1387621227762450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26340287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16534 + ... + 18056.

It is an arithmetic number, because the mean of its divisors is an integer number (2638044).

Almost surely, 2^26340285 is an apocalyptic number.

It is an amenable number.

26340285 is a deficient number, since it is larger than the sum of its proper divisors (15868419).

26340285 is a wasteful number, since it uses less digits than its factorization.

26340285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 26340285 is about 5132.2787336621. The cubic root of 26340285 is about 297.5364359959.

The spelling of 26340285 in words is "twenty-six million, three hundred forty thousand, two hundred eighty-five".