36481889208 has 128 divisors (see below), whose sum is σ = 100504281600. Its totient is φ = 10983937536.

The previous prime is 36481889207. The next prime is 36481889209. The reversal of 36481889208 is 80298818463.

It is an interprime number because it is at equal distance from previous prime (36481889207) and next prime (36481889209).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36481889207) 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, 3319210 + ... + 3330182.

It is an arithmetic number, because the mean of its divisors is an integer number (785189700).

Almost surely, 2^36481889208 is an apocalyptic number.

36481889208 is a gapful number since it is divisible by the number (38) 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 36481889208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50252140800).

36481889208 is an abundant number, since it is smaller than the sum of its proper divisors (64022392392).

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

36481889208 is a wasteful number, since it uses less digits than its factorization.

36481889208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11341 (or 11337 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 57.

The spelling of 36481889208 in words is "thirty-six billion, four hundred eighty-one million, eight hundred eighty-nine thousand, two hundred eight".