26294924440 has 16 divisors (see below), whose sum is σ = 59163580080. Its totient is φ = 10517969760.

The previous prime is 26294924413. The next prime is 26294924441. The reversal of 26294924440 is 4442949262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26294924441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328686516 + ... + 328686595.

It is an arithmetic number, because the mean of its divisors is an integer number (3697723755).

Almost surely, 2^26294924440 is an apocalyptic number.

26294924440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26294924440 is an abundant number, since it is smaller than the sum of its proper divisors (32868655640).

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

26294924440 is a wasteful number, since it uses less digits than its factorization.

26294924440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657373122 (or 657373118 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 26294924440 in words is "twenty-six billion, two hundred ninety-four million, nine hundred twenty-four thousand, four hundred forty".