26747018780 has 48 divisors (see below), whose sum is σ = 58730724864. Its totient is φ = 10212713280.

The previous prime is 26747018723. The next prime is 26747018783. The reversal of 26747018780 is 8781074762.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26747018783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166649 + ... + 285071.

It is an arithmetic number, because the mean of its divisors is an integer number (1223556768).

Almost surely, 2^26747018780 is an apocalyptic number.

26747018780 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 26747018780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29365362432).

26747018780 is an abundant number, since it is smaller than the sum of its proper divisors (31983706084).

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

26747018780 is a wasteful number, since it uses less digits than its factorization.

26747018780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118946 (or 118944 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 50.

The spelling of 26747018780 in words is "twenty-six billion, seven hundred forty-seven million, eighteen thousand, seven hundred eighty".