390842438350 has 144 divisors (see below), whose sum is σ = 946997066880. Its totient is φ = 117184579200.

The previous prime is 390842438347. The next prime is 390842438351. The reversal of 390842438350 is 53834248093.

It is a junction number, because it is equal to n+sod(n) for n = 390842438294 and 390842438303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390842438351) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 949965 + ... + 1297735.

It is an arithmetic number, because the mean of its divisors is an integer number (6576368520).

Almost surely, 2^390842438350 is an apocalyptic number.

390842438350 is an abundant number, since it is smaller than the sum of its proper divisors (556154628530).

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

390842438350 is a wasteful number, since it uses less digits than its factorization.

390842438350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347835 (or 347817 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 390842438350 in words is "three hundred ninety billion, eight hundred forty-two million, four hundred thirty-eight thousand, three hundred fifty".