26756216440 has 32 divisors (see below), whose sum is σ = 60209995680. Its totient is φ = 10700973952.

The previous prime is 26756216419. The next prime is 26756216441. The reversal of 26756216440 is 4461265762.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26756216441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264702 + ... + 351538.

It is an arithmetic number, because the mean of its divisors is an integer number (1881562365).

Almost surely, 2^26756216440 is an apocalyptic number.

26756216440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26756216440 is an abundant number, since it is smaller than the sum of its proper divisors (33453779240).

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

26756216440 is a wasteful number, since it uses less digits than its factorization.

26756216440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94551 (or 94547 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 26756216440 in words is "twenty-six billion, seven hundred fifty-six million, two hundred sixteen thousand, four hundred forty".