26744085090 has 80 divisors (see below), whose sum is σ = 72897128568. Its totient is φ = 7034045184.

The previous prime is 26744085029. The next prime is 26744085091. The reversal of 26744085090 is 9058044762.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19152622449 + 7591462641 = 138393^2 + 87129^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (26744085091) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 167017 + ... + 285276.

Almost surely, 2^26744085090 is an apocalyptic number.

26744085090 is an abundant number, since it is smaller than the sum of its proper divisors (46153043478).

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

26744085090 is a wasteful number, since it uses less digits than its factorization.

26744085090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452385 (or 452376 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 26744085090 in words is "twenty-six billion, seven hundred forty-four million, eighty-five thousand, ninety".