26215014036420 has 288 divisors, whose sum is σ = 87674657406336. Its totient is φ = 6287355648000.

The previous prime is 26215014036361. The next prime is 26215014036457. The reversal of 26215014036420 is 2463041051262.

26215014036420 is a `hidden beast` number, since 2 + 6 + 2 + 1 + 5 + 0 + 1 + 4 + 0 + 3 + 642 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 261323712 + ... + 261424008.

It is an arithmetic number, because the mean of its divisors is an integer number (304425893772).

Almost surely, 2^{26215014036420} is an apocalyptic number.

26215014036420 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 26215014036420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43837328703168).

26215014036420 is an abundant number, since it is smaller than the sum of its proper divisors (61459643369916).

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

26215014036420 is a wasteful number, since it uses less digits than its factorization.

26215014036420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101731 (or 101726 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 26215014036420 its reverse (2463041051262), we get a palindrome (28678055087682).

The spelling of 26215014036420 in words is "twenty-six trillion, two hundred fifteen billion, fourteen million, thirty-six thousand, four hundred twenty".