26440343 has 4 divisors (see below), whose sum is σ = 27831960. Its totient is φ = 25048728.

The previous prime is 26440327. The next prime is 26440361. The reversal of 26440343 is 34304462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26440343 - 2⁴ = 26440327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26440243) 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, 695780 + ... + 695817.

It is an arithmetic number, because the mean of its divisors is an integer number (6957990).

Almost surely, 2^26440343 is an apocalyptic number.

26440343 is a deficient number, since it is larger than the sum of its proper divisors (1391617).

26440343 is a wasteful number, since it uses less digits than its factorization.

26440343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391616.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 26440343 is about 5142.0174056493. The cubic root of 26440343 is about 297.9127073419.

The spelling of 26440343 in words is "twenty-six million, four hundred forty thousand, three hundred forty-three".