26945787632 has 90 divisors (see below), whose sum is σ = 56055409992. Its totient is φ = 12524162112.

The previous prime is 26945787629. The next prime is 26945787643. The reversal of 26945787632 is 23678754962.

It is a super-2 number, since 2×26945787632² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 135405869 + ... + 135406067.

Almost surely, 2^26945787632 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 26945787632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28027704996).

26945787632 is an abundant number, since it is smaller than the sum of its proper divisors (29109622360).

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

26945787632 is an equidigital number, since it uses as much as digits as its factorization.

26945787632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 267 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 59.

The spelling of 26945787632 in words is "twenty-six billion, nine hundred forty-five million, seven hundred eighty-seven thousand, six hundred thirty-two".