36648507844 has 81 divisors (see below), whose sum is σ = 71736008967. Its totient is φ = 16374840768.

The previous prime is 36648507767. The next prime is 36648507869. The reversal of 36648507844 is 44870584663.

It is a happy number.

The square root of 36648507844 is 191438.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 152226244 + 36496281600 = 12338^2 + 191040^2 .

It is a super-2 number, since 2×36648507844² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 184163257 + ... + 184163455.

Almost surely, 2^36648507844 is an apocalyptic number.

36648507844 is the 191438-th square number.

It is an amenable number.

36648507844 is a deficient number, since it is larger than the sum of its proper divisors (35087501123).

36648507844 is a wasteful number, since it uses less digits than its factorization.

36648507844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 55.

The spelling of 36648507844 in words is "thirty-six billion, six hundred forty-eight million, five hundred seven thousand, eight hundred forty-four".