3940726264 has 8 divisors (see below), whose sum is σ = 7388861760. Its totient is φ = 1970363128.

The previous prime is 3940726261. The next prime is 3940726291. The reversal of 3940726264 is 4626270493.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×3940726264³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3940726264.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3940726261) by changing a digit.

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 as a sum of consecutive naturals, namely, 246295384 + ... + 246295399.

It is an arithmetic number, because the mean of its divisors is an integer number (923607720).

Almost surely, 2^3940726264 is an apocalyptic number.

It is an amenable number.

3940726264 is a deficient number, since it is larger than the sum of its proper divisors (3448135496).

3940726264 is a wasteful number, since it uses less digits than its factorization.

3940726264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492590789 (or 492590785 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The square root of 3940726264 is about 62775.2042131286. The cubic root of 3940726264 is about 1579.5210672522.

The spelling of 3940726264 in words is "three billion, nine hundred forty million, seven hundred twenty-six thousand, two hundred sixty-four".