36543144440 has 32 divisors (see below), whose sum is σ = 89696810160. Its totient is φ = 13288416000.

The previous prime is 36543144437. The next prime is 36543144457. The reversal of 36543144440 is 4444134563.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 36543144394 and 36543144403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41525861 + ... + 41526740.

Almost surely, 2^36543144440 is an apocalyptic number.

It is an amenable number.

36543144440 is an abundant number, since it is smaller than the sum of its proper divisors (53153665720).

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

36543144440 is a wasteful number, since it uses less digits than its factorization.

36543144440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83052623 (or 83052619 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 38.

The spelling of 36543144440 in words is "thirty-six billion, five hundred forty-three million, one hundred forty-four thousand, four hundred forty".