390342011904 has 1232 divisors, whose sum is σ = 1390749813600. Its totient is φ = 108355387392.

The previous prime is 390342011887. The next prime is 390342011909. The reversal of 390342011904 is 409110243093.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390342011909) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 5347150812 + ... + 5347150884.

Almost surely, 2^390342011904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390342011904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695374906800).

390342011904 is an abundant number, since it is smaller than the sum of its proper divisors (1000407801696).

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

390342011904 is a wasteful number, since it uses less digits than its factorization.

390342011904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

Adding to 390342011904 its reverse (409110243093), we get a palindrome (799452254997).

The spelling of 390342011904 in words is "three hundred ninety billion, three hundred forty-two million, eleven thousand, nine hundred four".