36449774496 has 144 divisors (see below), whose sum is σ = 113151074400. Its totient is φ = 11510408448.

The previous prime is 36449774479. The next prime is 36449774521. The reversal of 36449774496 is 69447794463.

36449774496 is a `hidden beast` number, since 36 + 4 + 49 + 7 + 74 + 496 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24390 + ... + 271098.

It is an arithmetic number, because the mean of its divisors is an integer number (785771350).

Almost surely, 2^36449774496 is an apocalyptic number.

36449774496 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36449774496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56575537200).

36449774496 is an abundant number, since it is smaller than the sum of its proper divisors (76701299904).

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

36449774496 is a wasteful number, since it uses less digits than its factorization.

36449774496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246753 (or 246733 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 63.

The spelling of 36449774496 in words is "thirty-six billion, four hundred forty-nine million, seven hundred seventy-four thousand, four hundred ninety-six".