26396656104400 has 30 divisors (see below), whose sum is σ = 63417966291782. Its totient is φ = 10558662441600.

The previous prime is 26396656104397. The next prime is 26396656104407. The reversal of 26396656104400 is 440165669362.

It can be written as a sum of positive squares in 3 ways, for example, as 236172672576 + 26160483431824 = 485976^2 + 5114732^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26396656104407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32995819731 + ... + 32995820530.

Almost surely, 2^{26396656104400} is an apocalyptic number.

26396656104400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26396656104400 is an abundant number, since it is smaller than the sum of its proper divisors (37021310187382).

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

26396656104400 is a wasteful number, since it uses less digits than its factorization.

26396656104400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65991640279 (or 65991640268 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 52.

The spelling of 26396656104400 in words is "twenty-six trillion, three hundred ninety-six billion, six hundred fifty-six million, one hundred four thousand, four hundred".