36440671584 has 96 divisors (see below), whose sum is σ = 96713809920. Its totient is φ = 12012982272.

The previous prime is 36440671583. The next prime is 36440671627. The reversal of 36440671584 is 48517604463.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36440671583) 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, 9183969 + ... + 9187935.

It is an arithmetic number, because the mean of its divisors is an integer number (1007435520).

Almost surely, 2^36440671584 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 36440671584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48356904960).

36440671584 is an abundant number, since it is smaller than the sum of its proper divisors (60273138336).

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

36440671584 is a wasteful number, since it uses less digits than its factorization.

36440671584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5012 (or 5004 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 36440671584 in words is "thirty-six billion, four hundred forty million, six hundred seventy-one thousand, five hundred eighty-four".