39612940900 has 81 divisors (see below), whose sum is σ = 93141872523. Its totient is φ = 14616763200.

The previous prime is 39612940889. The next prime is 39612940903. The reversal of 39612940900 is 904921693.

The square root of 39612940900 is 199030.

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 10210294116 + 29402646784 = 101046^2 + 171472^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39612940903) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 25873135 + ... + 25874665.

Almost surely, 2^39612940900 is an apocalyptic number.

39612940900 is the 199030-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39612940900

39612940900 is an abundant number, since it is smaller than the sum of its proper divisors (53528931623).

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

39612940900 is a wasteful number, since it uses less digits than its factorization.

39612940900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102 (or 1551 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 43.

The spelling of 39612940900 in words is "thirty-nine billion, six hundred twelve million, nine hundred forty thousand, nine hundred".