26296431232 has 64 divisors (see below), whose sum is σ = 55519813800. Its totient is φ = 12363464704.

The previous prime is 26296431229. The next prime is 26296431299. The reversal of 26296431232 is 23213469262.

It can be written as a sum of positive squares in 4 ways, for example, as 26029304896 + 267126336 = 161336^2 + 16344^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2669388 + ... + 2679220.

Almost surely, 2^26296431232 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 26296431232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27759906900).

26296431232 is an abundant number, since it is smaller than the sum of its proper divisors (29223382568).

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

26296431232 is a wasteful number, since it uses less digits than its factorization.

26296431232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11093 (or 11081 counting only the distinct ones).

The product of its digits is 186624, while the sum is 40.

The spelling of 26296431232 in words is "twenty-six billion, two hundred ninety-six million, four hundred thirty-one thousand, two hundred thirty-two".