394926449470 has 32 divisors (see below), whose sum is σ = 840434616000. Its totient is φ = 130734272256.

The previous prime is 394926449461. The next prime is 394926449537. The reversal of 394926449470 is 74944629493.

It is a junction number, because it is equal to n+sod(n) for n = 394926449399 and 394926449408.

It is a congruent number.

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, 97270495 + ... + 97274554.

It is an arithmetic number, because the mean of its divisors is an integer number (26263581750).

Almost surely, 2^394926449470 is an apocalyptic number.

394926449470 is an abundant number, since it is smaller than the sum of its proper divisors (445508166530).

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

394926449470 is a wasteful number, since it uses less digits than its factorization.

394926449470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194545092.

The product of its (nonzero) digits is 47029248, while the sum is 61.

The spelling of 394926449470 in words is "three hundred ninety-four billion, nine hundred twenty-six million, four hundred forty-nine thousand, four hundred seventy".