26312638344 has 16 divisors (see below), whose sum is σ = 65781595920. Its totient is φ = 8770879440.

The previous prime is 26312638307. The next prime is 26312638349. The reversal of 26312638344 is 44383621362.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 26312638296 and 26312638305.

It is not an unprimeable number, because it can be changed into a prime (26312638349) 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, 548179942 + ... + 548179989.

It is an arithmetic number, because the mean of its divisors is an integer number (4111349745).

Almost surely, 2^26312638344 is an apocalyptic number.

26312638344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26312638344 is an abundant number, since it is smaller than the sum of its proper divisors (39468957576).

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

26312638344 is a wasteful number, since it uses less digits than its factorization.

26312638344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096359940 (or 1096359936 counting only the distinct ones).

The product of its digits is 497664, while the sum is 42.

The spelling of 26312638344 in words is "twenty-six billion, three hundred twelve million, six hundred thirty-eight thousand, three hundred forty-four".