26432440 has 16 divisors (see below), whose sum is σ = 59473080. Its totient is φ = 10572960.

The previous prime is 26432437. The next prime is 26432449. The reversal of 26432440 is 4423462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26432449) 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 3 ways as a sum of consecutive naturals, for example, 330366 + ... + 330445.

Almost surely, 2^26432440 is an apocalyptic number.

26432440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26432440 is an abundant number, since it is smaller than the sum of its proper divisors (33040640).

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

26432440 is a wasteful number, since it uses less digits than its factorization.

26432440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660822 (or 660818 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 26432440 is about 5141.2488755165. The cubic root of 26432440 is about 297.8830224176.

The spelling of 26432440 in words is "twenty-six million, four hundred thirty-two thousand, four hundred forty".