36399155140 has 72 divisors (see below), whose sum is σ = 78997161600. Its totient is φ = 14086626624.

The previous prime is 36399155137. The next prime is 36399155159. The reversal of 36399155140 is 4155199363.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3952261 + ... + 3961459.

It is an arithmetic number, because the mean of its divisors is an integer number (1097182800).

Almost surely, 2^36399155140 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 36399155140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39498580800).

36399155140 is an abundant number, since it is smaller than the sum of its proper divisors (42598006460).

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

36399155140 is a wasteful number, since it uses less digits than its factorization.

36399155140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9401 (or 9356 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 46.

The spelling of 36399155140 in words is "thirty-six billion, three hundred ninety-nine million, one hundred fifty-five thousand, one hundred forty".