26512425420 has 96 divisors (see below), whose sum is σ = 80121171648. Its totient is φ = 6511767552.

The previous prime is 26512425389. The next prime is 26512425421. The reversal of 26512425420 is 2452421562.

It is not an unprimeable number, because it can be changed into a prime (26512425421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 319272 + ... + 393648.

It is an arithmetic number, because the mean of its divisors is an integer number (834595538).

Almost surely, 2^26512425420 is an apocalyptic number.

26512425420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26512425420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40060585824).

26512425420 is an abundant number, since it is smaller than the sum of its proper divisors (53608746228).

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

26512425420 is a wasteful number, since it uses less digits than its factorization.

26512425420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74859 (or 74857 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 26512425420 its reverse (2452421562), we get a palindrome (28964846982).

The spelling of 26512425420 in words is "twenty-six billion, five hundred twelve million, four hundred twenty-five thousand, four hundred twenty".