26312638320 has 160 divisors (see below), whose sum is σ = 90697439040. Its totient is φ = 7011671040.

The previous prime is 26312638307. The next prime is 26312638349. The reversal of 26312638320 is 2383621362.

It is a happy number.

26312638320 is a `hidden beast` number, since 2 + 6 + 3 + 12 + 638 + 3 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3757062 + ... + 3764058.

It is an arithmetic number, because the mean of its divisors is an integer number (566858994).

Almost surely, 2^26312638320 is an apocalyptic number.

26312638320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26312638320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45348719520).

26312638320 is an abundant number, since it is smaller than the sum of its proper divisors (64384800720).

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

26312638320 is a wasteful number, since it uses less digits than its factorization.

26312638320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8760 (or 8748 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 26312638320 in words is "twenty-six billion, three hundred twelve million, six hundred thirty-eight thousand, three hundred twenty".