399662082268 has 6 divisors (see below), whose sum is σ = 699408643976. Its totient is φ = 199831041132.

The previous prime is 399662082257. The next prime is 399662082269. The reversal of 399662082268 is 862280266993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399662082269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49957760280 + ... + 49957760287.

Almost surely, 2^399662082268 is an apocalyptic number.

It is an amenable number.

399662082268 is a deficient number, since it is larger than the sum of its proper divisors (299746561708).

399662082268 is a wasteful number, since it uses less digits than its factorization.

399662082268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99915520571 (or 99915520569 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 61.

The spelling of 399662082268 in words is "three hundred ninety-nine billion, six hundred sixty-two million, eighty-two thousand, two hundred sixty-eight".