36364450644 has 36 divisors (see below), whose sum is σ = 97328384244. Its totient is φ = 11408454912.

The previous prime is 36364450609. The next prime is 36364450651. The reversal of 36364450644 is 44605446363.

36364450644 is a `hidden beast` number, since 3 + 63 + 6 + 44 + 506 + 44 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10901865744 + 25462584900 = 104412^2 + 159570^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 36364450644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29708907 + ... + 29710130.

It is an arithmetic number, because the mean of its divisors is an integer number (2703566229).

Almost surely, 2^36364450644 is an apocalyptic number.

36364450644 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

36364450644 is an abundant number, since it is smaller than the sum of its proper divisors (60963933600).

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

36364450644 is a wasteful number, since it uses less digits than its factorization.

36364450644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59419064 (or 59419059 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 45.

The spelling of 36364450644 in words is "thirty-six billion, three hundred sixty-four million, four hundred fifty thousand, six hundred forty-four".