36547271440 has 80 divisors (see below), whose sum is σ = 89579980800. Its totient is φ = 13846279680.

The previous prime is 36547271413. The next prime is 36547271447. The reversal of 36547271440 is 4417274563.

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

It is not an unprimeable number, because it can be changed into a prime (36547271447) 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, 40215 + ... + 273334.

It is an arithmetic number, because the mean of its divisors is an integer number (1119749760).

Almost surely, 2^36547271440 is an apocalyptic number.

It is an amenable number.

36547271440 is an abundant number, since it is smaller than the sum of its proper divisors (53032709360).

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

36547271440 is a wasteful number, since it uses less digits than its factorization.

36547271440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313640 (or 313634 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 36547271440 in words is "thirty-six billion, five hundred forty-seven million, two hundred seventy-one thousand, four hundred forty".