26244860440 has 32 divisors (see below), whose sum is σ = 62524522080. Its totient is φ = 9880417792.

The previous prime is 26244860419. The next prime is 26244860441. The reversal of 26244860440 is 4406844262.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 26244860393 and 26244860402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26244860441) 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 7 ways as a sum of consecutive naturals, for example, 19297012 + ... + 19298371.

It is an arithmetic number, because the mean of its divisors is an integer number (1953891315).

Almost surely, 2^26244860440 is an apocalyptic number.

26244860440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26244860440 is an abundant number, since it is smaller than the sum of its proper divisors (36279661640).

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

26244860440 is a wasteful number, since it uses less digits than its factorization.

26244860440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38595411 (or 38595407 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 40.

The spelling of 26244860440 in words is "twenty-six billion, two hundred forty-four million, eight hundred sixty thousand, four hundred forty".