399241268116 has 12 divisors (see below), whose sum is σ = 698755562260. Its totient is φ = 199596821760.

The previous prime is 399241268113. The next prime is 399241268131. The reversal of 399241268116 is 611862142993.

It can be written as a sum of positive squares in 2 ways, for example, as 337863187600 + 61378080516 = 581260^2 + 247746^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399241268113) 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 in 3 ways as a sum of consecutive naturals, for example, 5915325 + ... + 5982436.

Almost surely, 2^399241268116 is an apocalyptic number.

It is an amenable number.

399241268116 is a deficient number, since it is larger than the sum of its proper divisors (299514294144).

399241268116 is a wasteful number, since it uses less digits than its factorization.

399241268116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11906154 (or 11906152 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 52.

The spelling of 399241268116 in words is "three hundred ninety-nine billion, two hundred forty-one million, two hundred sixty-eight thousand, one hundred sixteen".