26404225412 has 12 divisors (see below), whose sum is σ = 46221604380. Its totient is φ = 13198052736.

The previous prime is 26404225403. The next prime is 26404225447. The reversal of 26404225412 is 21452240462.

It can be written as a sum of positive squares in 2 ways, for example, as 15551586436 + 10852638976 = 124706^2 + 104176^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000337 + ... + 1026392.

It is an arithmetic number, because the mean of its divisors is an integer number (3851800365).

Almost surely, 2^26404225412 is an apocalyptic number.

It is an amenable number.

26404225412 is a deficient number, since it is larger than the sum of its proper divisors (19817378968).

26404225412 is a wasteful number, since it uses less digits than its factorization.

26404225412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029990 (or 2029988 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 26404225412 its reverse (21452240462), we get a palindrome (47856465874).

The spelling of 26404225412 in words is "twenty-six billion, four hundred four million, two hundred twenty-five thousand, four hundred twelve".