36029991680 has 72 divisors (see below), whose sum is σ = 86933462112. Its totient is φ = 14306729984.

The previous prime is 36029991667. The next prime is 36029991689. The reversal of 36029991680 is 8619992063.

It is not an unprimeable number, because it can be changed into a prime (36029991689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72629 + ... + 278091.

It is an arithmetic number, because the mean of its divisors is an integer number (1207409196).

Almost surely, 2^36029991680 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 36029991680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43466731056).

36029991680 is an abundant number, since it is smaller than the sum of its proper divisors (50903470432).

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

36029991680 is a wasteful number, since it uses less digits than its factorization.

36029991680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205621 (or 205607 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 53.

The spelling of 36029991680 in words is "thirty-six billion, twenty-nine million, nine hundred ninety-one thousand, six hundred eighty".