36003035440 has 80 divisors (see below), whose sum is σ = 86656953600. Its totient is φ = 13896391680.

The previous prime is 36003035371. The next prime is 36003035447. The reversal of 36003035440 is 4453030063.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 36003035399 and 36003035408.

It is not an unprimeable number, because it can be changed into a prime (36003035447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 844722 + ... + 886318.

It is an arithmetic number, because the mean of its divisors is an integer number (1083211920).

Almost surely, 2^36003035440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36003035440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43328476800).

36003035440 is an abundant number, since it is smaller than the sum of its proper divisors (50653918160).

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

36003035440 is a wasteful number, since it uses less digits than its factorization.

36003035440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41990 (or 41984 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

The spelling of 36003035440 in words is "thirty-six billion, three million, thirty-five thousand, four hundred forty".