26452364220 has 144 divisors (see below), whose sum is σ = 82492720128. Its totient is φ = 6857827200.

The previous prime is 26452364207. The next prime is 26452364233. The reversal of 26452364220 is 2246325462.

26452364220 is a `hidden beast` number, since 2 + 6 + 4 + 5 + 2 + 3 + 642 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (26452364207) and next prime (26452364233).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1267107 + ... + 1287813.

It is an arithmetic number, because the mean of its divisors is an integer number (572866112).

Almost surely, 2^26452364220 is an apocalyptic number.

26452364220 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 26452364220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41246360064).

26452364220 is an abundant number, since it is smaller than the sum of its proper divisors (56040355908).

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

26452364220 is a wasteful number, since it uses less digits than its factorization.

26452364220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20920 (or 20915 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 26452364220 its reverse (2246325462), we get a palindrome (28698689682).

The spelling of 26452364220 in words is "twenty-six billion, four hundred fifty-two million, three hundred sixty-four thousand, two hundred twenty".