26845432650 has 72 divisors (see below), whose sum is σ = 73883919564. Its totient is φ = 6984172800.

The previous prime is 26845432597. The next prime is 26845432673. The reversal of 26845432650 is 5623454862.

26845432650 is a `hidden beast` number, since 2 + 6 + 84 + 543 + 26 + 5 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 6060155409 + 20785277241 = 77847^2 + 144171^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 26845432596 and 26845432605.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 709069 + ... + 745968.

Almost surely, 2^26845432650 is an apocalyptic number.

26845432650 is an abundant number, since it is smaller than the sum of its proper divisors (47038486914).

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

26845432650 is a wasteful number, since it uses less digits than its factorization.

26845432650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455096 (or 1455088 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 26845432650 in words is "twenty-six billion, eight hundred forty-five million, four hundred thirty-two thousand, six hundred fifty".