26580088990 has 32 divisors (see below), whose sum is σ = 58885122240. Its totient is φ = 8412159744.

The previous prime is 26580088987. The next prime is 26580088993. The reversal of 26580088990 is 9988008562.

It is an interprime number because it is at equal distance from previous prime (26580088987) and next prime (26580088993).

It is a super-2 number, since 2×26580088990² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26580088993) 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, 14603535 + ... + 14605354.

It is an arithmetic number, because the mean of its divisors is an integer number (1840160070).

Almost surely, 2^26580088990 is an apocalyptic number.

26580088990 is an abundant number, since it is smaller than the sum of its proper divisors (32305033250).

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

26580088990 is a wasteful number, since it uses less digits than its factorization.

26580088990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29208916.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 26580088990 in words is "twenty-six billion, five hundred eighty million, eighty-eight thousand, nine hundred ninety".