26479481418 has 120 divisors (see below), whose sum is σ = 68029407468. Its totient is φ = 7668131328.

The previous prime is 26479481381. The next prime is 26479481449. The reversal of 26479481418 is 81418497462.

26479481418 is a `hidden beast` number, since 2 + 64 + 7 + 94 + 81 + 418 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 3007096569 + 23472384849 = 54837^2 + 153207^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 436980 + ... + 493872.

Almost surely, 2^26479481418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26479481418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34014703734).

26479481418 is an abundant number, since it is smaller than the sum of its proper divisors (41549926050).

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

26479481418 is a wasteful number, since it uses less digits than its factorization.

26479481418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56950 (or 56928 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The spelling of 26479481418 in words is "twenty-six billion, four hundred seventy-nine million, four hundred eighty-one thousand, four hundred eighteen".