36400555120 has 20 divisors (see below), whose sum is σ = 84631290840. Its totient is φ = 14560222016.

The previous prime is 36400555117. The next prime is 36400555127. The reversal of 36400555120 is 2155500463.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36400555127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227503390 + ... + 227503549.

It is an arithmetic number, because the mean of its divisors is an integer number (4231564542).

Almost surely, 2^36400555120 is an apocalyptic number.

It is an amenable number.

36400555120 is an abundant number, since it is smaller than the sum of its proper divisors (48230735720).

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

36400555120 is a wasteful number, since it uses less digits than its factorization.

36400555120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455006952 (or 455006946 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 36400555120 in words is "thirty-six billion, four hundred million, five hundred fifty-five thousand, one hundred twenty".