26046213720 has 128 divisors (see below), whose sum is σ = 79877836800. Its totient is φ = 6791348736.

The previous prime is 26046213667. The next prime is 26046213731. The reversal of 26046213720 is 2731264062.

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, 9411777 + ... + 9414543.

It is an arithmetic number, because the mean of its divisors is an integer number (624045600).

Almost surely, 2^26046213720 is an apocalyptic number.

26046213720 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 26046213720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39938918400).

26046213720 is an abundant number, since it is smaller than the sum of its proper divisors (53831623080).

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

26046213720 is a wasteful number, since it uses less digits than its factorization.

26046213720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4497 (or 4493 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

Adding to 26046213720 its reverse (2731264062), we get a palindrome (28777477782).

The spelling of 26046213720 in words is "twenty-six billion, forty-six million, two hundred thirteen thousand, seven hundred twenty".