26440755 has 64 divisors (see below), whose sum is σ = 48854016. Its totient is φ = 12096000.

The previous prime is 26440753. The next prime is 26440769. The reversal of 26440755 is 55704462.

26440755 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 26440755 - 2¹ = 26440753 is a prime.

It is a super-2 number, since 2×26440755² = 1398227049940050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (26440751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 372370 + ... + 372440.

It is an arithmetic number, because the mean of its divisors is an integer number (763344).

Almost surely, 2^26440755 is an apocalyptic number.

26440755 is a deficient number, since it is larger than the sum of its proper divisors (22413261).

26440755 is a wasteful number, since it uses less digits than its factorization.

26440755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 26440755 is about 5142.0574675902. The cubic root of 26440755 is about 297.9142547172.

It can be divided in two parts, 264407 and 55, that added together give a palindrome (264462).

The spelling of 26440755 in words is "twenty-six million, four hundred forty thousand, seven hundred fifty-five".