394432432908 has 48 divisors (see below), whose sum is σ = 1000032445440. Its totient is φ = 120539620800.

The previous prime is 394432432903. The next prime is 394432433009. The reversal of 394432432908 is 809234234493.

It is not an unprimeable number, because it can be changed into a prime (394432432903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27895623 + ... + 27909758.

It is an arithmetic number, because the mean of its divisors is an integer number (20834009280).

Almost surely, 2^394432432908 is an apocalyptic number.

394432432908 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

394432432908 is an abundant number, since it is smaller than the sum of its proper divisors (605600012532).

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

394432432908 is a wasteful number, since it uses less digits than its factorization.

394432432908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55805438 (or 55805436 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 51.

The spelling of 394432432908 in words is "three hundred ninety-four billion, four hundred thirty-two million, four hundred thirty-two thousand, nine hundred eight".