36553727644 has 12 divisors (see below), whose sum is σ = 73107455344. Its totient is φ = 15665883264.

The previous prime is 36553727633. The next prime is 36553727663. The reversal of 36553727644 is 44672735563.

36553727644 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 36553727591 and 36553727600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652745109 + ... + 652745164.

Almost surely, 2^36553727644 is an apocalyptic number.

It is an amenable number.

36553727644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

36553727644 is a wasteful number, since it uses less digits than its factorization.

36553727644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305490284 (or 1305490282 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 52.

The spelling of 36553727644 in words is "thirty-six billion, five hundred fifty-three million, seven hundred twenty-seven thousand, six hundred forty-four".