26776425040 has 20 divisors (see below), whose sum is σ = 62255188404. Its totient is φ = 10710569984.

The previous prime is 26776424981. The next prime is 26776425047. The reversal of 26776425040 is 4052467762.

It can be written as a sum of positive squares in 2 ways, for example, as 13254456384 + 13521968656 = 115128^2 + 116284^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26776425047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167352577 + ... + 167352736.

Almost surely, 2^26776425040 is an apocalyptic number.

26776425040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26776425040 is an abundant number, since it is smaller than the sum of its proper divisors (35478763364).

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

26776425040 is a wasteful number, since it uses less digits than its factorization.

26776425040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334705326 (or 334705320 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 26776425040 in words is "twenty-six billion, seven hundred seventy-six million, four hundred twenty-five thousand, forty".