3939322540 has 12 divisors (see below), whose sum is σ = 8272577376. Its totient is φ = 1575729008.

The previous prime is 3939322507. The next prime is 3939322567. The reversal of 3939322540 is 452239393.

It is a junction number, because it is equal to n+sod(n) for n = 3939322493 and 3939322502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98483044 + ... + 98483083.

It is an arithmetic number, because the mean of its divisors is an integer number (689381448).

Almost surely, 2^3939322540 is an apocalyptic number.

It is an amenable number.

3939322540 is an abundant number, since it is smaller than the sum of its proper divisors (4333254836).

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

3939322540 is a wasteful number, since it uses less digits than its factorization.

3939322540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196966136 (or 196966134 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 40.

The square root of 3939322540 is about 62764.0226562957. The cubic root of 3939322540 is about 1579.3334981936. Note that the first 3 decimals are identical.

The spelling of 3939322540 in words is "three billion, nine hundred thirty-nine million, three hundred twenty-two thousand, five hundred forty".