36563740644 has 24 divisors (see below), whose sum is σ = 85966661088. Its totient is φ = 12094875520.

The previous prime is 36563740643. The next prime is 36563740667. The reversal of 36563740644 is 44604736563.

36563740644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 36563740593 and 36563740602.

It is not an unprimeable number, because it can be changed into a prime (36563740643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11628117 + ... + 11631260.

It is an arithmetic number, because the mean of its divisors is an integer number (3581944212).

Almost surely, 2^36563740644 is an apocalyptic number.

It is an amenable number.

36563740644 is an abundant number, since it is smaller than the sum of its proper divisors (49402920444).

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

36563740644 is a wasteful number, since it uses less digits than its factorization.

36563740644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23259515 (or 23259513 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 48.

The spelling of 36563740644 in words is "thirty-six billion, five hundred sixty-three million, seven hundred forty thousand, six hundred forty-four".