394433863320 has 192 divisors, whose sum is σ = 1457464272480. Its totient is φ = 84852977664.

The previous prime is 394433863273. The next prime is 394433863333. The reversal of 394433863320 is 23368334493.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 394433863320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1872999 + ... + 2072918.

Almost surely, 2^394433863320 is an apocalyptic number.

394433863320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

394433863320 is an abundant number, since it is smaller than the sum of its proper divisors (1063030409160).

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

394433863320 is a wasteful number, since it uses less digits than its factorization.

394433863320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945962 (or 3945951 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 48.

The spelling of 394433863320 in words is "three hundred ninety-four billion, four hundred thirty-three million, eight hundred sixty-three thousand, three hundred twenty".