390003642336 has 384 divisors, whose sum is σ = 1324969132032. Its totient is φ = 97479936000.

The previous prime is 390003642299. The next prime is 390003642341. The reversal of 390003642336 is 633246300093.

It is a super-2 number, since 2×390003642336² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 390003642294 and 390003642303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41471811 + ... + 41481213.

It is an arithmetic number, because the mean of its divisors is an integer number (3450440448).

Almost surely, 2^390003642336 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 390003642336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (662484566016).

390003642336 is an abundant number, since it is smaller than the sum of its proper divisors (934965489696).

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

390003642336 is a wasteful number, since it uses less digits than its factorization.

390003642336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9646 (or 9638 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 39.

The spelling of 390003642336 in words is "three hundred ninety billion, three million, six hundred forty-two thousand, three hundred thirty-six".