399343268070 has 64 divisors (see below), whose sum is σ = 1071071087040. Its totient is φ = 105875967744.

The previous prime is 399343268029. The next prime is 399343268081. The reversal of 399343268070 is 70862343993.

399343268070 is a `hidden beast` number, since 39 + 9 + 343 + 268 + 0 + 7 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 399343267998 and 399343268016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4227999 + ... + 4321418.

It is an arithmetic number, because the mean of its divisors is an integer number (16735485735).

Almost surely, 2^399343268070 is an apocalyptic number.

399343268070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

399343268070 is an abundant number, since it is smaller than the sum of its proper divisors (671727818970).

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

399343268070 is a wasteful number, since it uses less digits than its factorization.

399343268070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8549606 (or 8549600 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 54.

The spelling of 399343268070 in words is "three hundred ninety-nine billion, three hundred forty-three million, two hundred sixty-eight thousand, seventy".