26406704740 has 48 divisors (see below), whose sum is σ = 59853049200. Its totient is φ = 9728409600.

The previous prime is 26406704711. The next prime is 26406704761. The reversal of 26406704740 is 4740760462.

It can be written as a sum of positive squares in 8 ways, for example, as 457360996 + 25949343744 = 21386^2 + 161088^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26406704693 and 26406704702.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3640 + ... + 229840.

It is an arithmetic number, because the mean of its divisors is an integer number (1246938525).

Almost surely, 2^26406704740 is an apocalyptic number.

26406704740 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 26406704740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29926524600).

26406704740 is an abundant number, since it is smaller than the sum of its proper divisors (33446344460).

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

26406704740 is a wasteful number, since it uses less digits than its factorization.

26406704740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226672 (or 226670 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 26406704740 in words is "twenty-six billion, four hundred six million, seven hundred four thousand, seven hundred forty".