26202026220400 has 120 divisors (see below), whose sum is σ = 66266842083200. Its totient is φ = 9928694880000.

The previous prime is 26202026220379. The next prime is 26202026220407. The reversal of 26202026220400 is 402262020262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26202026220407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176633461 + ... + 176781739.

Almost surely, 2^{26202026220400} is an apocalyptic number.

26202026220400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26202026220400 is an abundant number, since it is smaller than the sum of its proper divisors (40064815862800).

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

26202026220400 is a wasteful number, since it uses less digits than its factorization.

26202026220400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171567 (or 171556 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 26202026220400 its reverse (402262020262), we get a palindrome (26604288240662).

The spelling of 26202026220400 in words is "twenty-six trillion, two hundred two billion, twenty-six million, two hundred twenty thousand, four hundred".