390034169018 has 8 divisors (see below), whose sum is σ = 630055196148. Its totient is φ = 180015770304.

The previous prime is 390034168973. The next prime is 390034169023. The reversal of 390034169018 is 810961430093.

It can be written as a sum of positive squares in 2 ways, for example, as 389691808009 + 342361009 = 624253^2 + 18503^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 390034169018.

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 3 ways as a sum of consecutive naturals, for example, 7500657071 + ... + 7500657122.

Almost surely, 2^390034169018 is an apocalyptic number.

390034169018 is a deficient number, since it is larger than the sum of its proper divisors (240021027130).

390034169018 is a wasteful number, since it uses less digits than its factorization.

390034169018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15001314208.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 390034169018 in words is "three hundred ninety billion, thirty-four million, one hundred sixty-nine thousand, eighteen".