36218657344 has 21 divisors (see below), whose sum is σ = 71874419497. Its totient is φ = 18108567424.

The previous prime is 36218657327. The next prime is 36218657383. The reversal of 36218657344 is 44375681263.

The square root of 36218657344 is 190312.

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

It can be written as a sum of positive squares in only one way, i.e., 6414087744 + 29804569600 = 80088^2 + 172640^2 .

It is a super-2 number, since 2×36218657344² (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 2 ways as a sum of consecutive naturals, for example, 1510602 + ... + 1534390.

Almost surely, 2^36218657344 is an apocalyptic number.

36218657344 is the 190312-nd square number.

It is an amenable number.

36218657344 is a deficient number, since it is larger than the sum of its proper divisors (35655762153).

36218657344 is an frugal number, since it uses more digits than its factorization.

36218657344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47590 (or 23791 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 49.

Multiplying 36218657344 by its sum of digits (49), we get a square (1774714209856 = 1332184²).

The spelling of 36218657344 in words is "thirty-six billion, two hundred eighteen million, six hundred fifty-seven thousand, three hundred forty-four".