26936281644 has 48 divisors (see below), whose sum is σ = 64790258400. Its totient is φ = 8703576576.

The previous prime is 26936281633. The next prime is 26936281649. The reversal of 26936281644 is 44618263962.

It is not an unprimeable number, because it can be changed into a prime (26936281649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6672 + ... + 232200.

It is an arithmetic number, because the mean of its divisors is an integer number (1349797050).

Almost surely, 2^26936281644 is an apocalyptic number.

It is an amenable number.

26936281644 is an abundant number, since it is smaller than the sum of its proper divisors (37853976756).

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

26936281644 is a wasteful number, since it uses less digits than its factorization.

26936281644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225842 (or 225840 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 51.

The spelling of 26936281644 in words is "twenty-six billion, nine hundred thirty-six million, two hundred eighty-one thousand, six hundred forty-four".