36449464464 has 120 divisors (see below), whose sum is σ = 116762705280. Its totient is φ = 10397850624.

The previous prime is 36449464463. The next prime is 36449464477. The reversal of 36449464464 is 46446494463.

36449464464 is a `hidden beast` number, since 36 + 4 + 4 + 94 + 64 + 464 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 36449464464.

It is not an unprimeable number, because it can be changed into a prime (36449464463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 624232 + ... + 680120.

It is an arithmetic number, because the mean of its divisors is an integer number (973022544).

Almost surely, 2^36449464464 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 36449464464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58381352640).

36449464464 is an abundant number, since it is smaller than the sum of its proper divisors (80313240816).

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

36449464464 is a wasteful number, since it uses less digits than its factorization.

36449464464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56557 (or 56548 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 54.

The spelling of 36449464464 in words is "thirty-six billion, four hundred forty-nine million, four hundred sixty-four thousand, four hundred sixty-four".