36312217544 has 16 divisors (see below), whose sum is σ = 68091035100. Its totient is φ = 18154608192.

The previous prime is 36312217489. The next prime is 36312217597. The reversal of 36312217544 is 44571221363.

It can be written as a sum of positive squares in 2 ways, for example, as 23534628100 + 12777589444 = 153410^2 + 113038^2 .

It is a junction number, because it is equal to n+sod(n) for n = 36312217498 and 36312217507.

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, 81179 + ... + 281450.

Almost surely, 2^36312217544 is an apocalyptic number.

It is an amenable number.

36312217544 is a deficient number, since it is larger than the sum of its proper divisors (31778817556).

36312217544 is a wasteful number, since it uses less digits than its factorization.

36312217544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375152 (or 375148 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The spelling of 36312217544 in words is "thirty-six billion, three hundred twelve million, two hundred seventeen thousand, five hundred forty-four".