26007045290 has 32 divisors (see below), whose sum is σ = 47355500880. Its totient is φ = 10282881024.

The previous prime is 26007045287. The next prime is 26007045299. The reversal of 26007045290 is 9254070062.

It is a Cunningham number, because it is equal to 161267²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 655718449 + 25351326841 = 25607^2 + 159221^2 .

It is a super-2 number, since 2×26007045290² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26007045290.

It is not an unprimeable number, because it can be changed into a prime (26007045299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260096 + ... + 345924.

Almost surely, 2^26007045290 is an apocalyptic number.

26007045290 is a deficient number, since it is larger than the sum of its proper divisors (21348455590).

26007045290 is a wasteful number, since it uses less digits than its factorization.

26007045290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86186.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 26007045290 in words is "twenty-six billion, seven million, forty-five thousand, two hundred ninety".