3940760968225 has 9 divisors (see below), whose sum is σ = 4886555908467. Its totient is φ = 3152600834040.

The previous prime is 3940760968219. The next prime is 3940760968237. The reversal of 3940760968225 is 5228690670493.

The square root of 3940760968225 is 1985135.

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., 1418673948561 + 2522087019664 = 1191081^2 + 1588108^2 .

It is not a de Polignac number, because 3940760968225 - 2³ = 3940760968217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9727162 + ... + 10124188.

Almost surely, 2^{3940760968225} is an apocalyptic number.

3940760968225 is the 1985135-th square number.

3940760968225 is the 992568-th centered octagonal number.

It is an amenable number.

3940760968225 is a deficient number, since it is larger than the sum of its proper divisors (945794940242).

3940760968225 is an frugal number, since it uses more digits than its factorization.

3940760968225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794064 (or 397032 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 3940760968225 in words is "three trillion, nine hundred forty billion, seven hundred sixty million, nine hundred sixty-eight thousand, two hundred twenty-five".