26490480340632 has 288 divisors, whose sum is σ = 84769254304560. Its totient is φ = 6873297446400.

The previous prime is 26490480340627. The next prime is 26490480340637. The reversal of 26490480340632 is 23604308409462.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (26490480340627) and next prime (26490480340637).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26490480340637) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 133801618 + ... + 133999454.

Almost surely, 2^{26490480340632} is an apocalyptic number.

26490480340632 is a gapful number since it is divisible by the number (22) 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 26490480340632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42384627152280).

26490480340632 is an abundant number, since it is smaller than the sum of its proper divisors (58278773963928).

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

26490480340632 is a wasteful number, since it uses less digits than its factorization.

26490480340632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198823 (or 198801 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 51.

The spelling of 26490480340632 in words is "twenty-six trillion, four hundred ninety billion, four hundred eighty million, three hundred forty thousand, six hundred thirty-two".