39018100900 has 27 divisors (see below), whose sum is σ = 84673565571. Its totient is φ = 15606450240.

The previous prime is 39018100897. The next prime is 39018100937. The reversal of 39018100900 is 900181093.

The square root of 39018100900 is 197530.

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 5011790436 + 34006310464 = 70794^2 + 184408^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1965424 + ... + 1985176.

Almost surely, 2^39018100900 is an apocalyptic number.

39018100900 is the 197530-th square number.

It is an amenable number.

39018100900 is an abundant number, since it is smaller than the sum of its proper divisors (45655464671).

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

39018100900 is an frugal number, since it uses more digits than its factorization.

39018100900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39520 (or 19760 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 31.

Adding to 39018100900 its reverse (900181093), we get a palindrome (39918281993).

The spelling of 39018100900 in words is "thirty-nine billion, eighteen million, one hundred thousand, nine hundred".