26320696632 has 224 divisors, whose sum is σ = 76523990400. Its totient is φ = 8478001728.

The previous prime is 26320696621. The next prime is 26320696639. The reversal of 26320696632 is 23669602362.

26320696632 is a `hidden beast` number, since 2 + 6 + 3 + 2 + 0 + 6 + 9 + 6 + 632 = 666.

It is a super-2 number, since 2×26320696632² (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 (26320696639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 25829419 + ... + 25830437.

Almost surely, 2^26320696632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26320696632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38261995200).

26320696632 is an abundant number, since it is smaller than the sum of its proper divisors (50203293768).

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

26320696632 is a wasteful number, since it uses less digits than its factorization.

26320696632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189 (or 1170 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 45.

The spelling of 26320696632 in words is "twenty-six billion, three hundred twenty million, six hundred ninety-six thousand, six hundred thirty-two".