36440604464 has 80 divisors (see below), whose sum is σ = 77897514240. Its totient is φ = 16376160000.

The previous prime is 36440604463. The next prime is 36440604467. The reversal of 36440604464 is 46440604463.

36440604464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (36440604463) 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, 19392677 + ... + 19394555.

It is an arithmetic number, because the mean of its divisors is an integer number (973718928).

Almost surely, 2^36440604464 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 36440604464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38948757120).

36440604464 is an abundant number, since it is smaller than the sum of its proper divisors (41456909776).

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

36440604464 is a wasteful number, since it uses less digits than its factorization.

36440604464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090 (or 3084 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 41.

Subtracting 36440604464 from its reverse (46440604463), we obtain a palindrome (9999999999).

The spelling of 36440604464 in words is "thirty-six billion, four hundred forty million, six hundred four thousand, four hundred sixty-four".