394439077250 has 32 divisors (see below), whose sum is σ = 741114766080. Its totient is φ = 157193406000.

The previous prime is 394439077213. The next prime is 394439077267. The reversal of 394439077250 is 52770934493.

It is a junction number, because it is equal to n+sod(n) for n = 394439077192 and 394439077201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2843240 + ... + 2978739.

It is an arithmetic number, because the mean of its divisors is an integer number (23159836440).

Almost surely, 2^394439077250 is an apocalyptic number.

394439077250 is a deficient number, since it is larger than the sum of its proper divisors (346675688830).

394439077250 is a wasteful number, since it uses less digits than its factorization.

394439077250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5822267 (or 5822257 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 53.

The spelling of 394439077250 in words is "three hundred ninety-four billion, four hundred thirty-nine million, seventy-seven thousand, two hundred fifty".