36543440 has 40 divisors (see below), whose sum is σ = 86780160. Its totient is φ = 14304896.

The previous prime is 36543431. The next prime is 36543469. The reversal of 36543440 is 4434563.

36543440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1100 + ... + 8619.

It is an arithmetic number, because the mean of its divisors is an integer number (2169504).

Almost surely, 2^36543440 is an apocalyptic number.

It is an amenable number.

36543440 is an abundant number, since it is smaller than the sum of its proper divisors (50236720).

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

36543440 is a wasteful number, since it uses less digits than its factorization.

36543440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9779 (or 9773 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 36543440 is about 6045.1170377421. The cubic root of 36543440 is about 331.8459148534.

The spelling of 36543440 in words is "thirty-six million, five hundred forty-three thousand, four hundred forty".