394825039474 has 32 divisors (see below), whose sum is σ = 632776840560. Its totient is φ = 184111398912.

The previous prime is 394825039471. The next prime is 394825039501. The reversal of 394825039474 is 474930528493.

It can be written as a sum of positive squares in 8 ways, for example, as 29534141025 + 365290898449 = 171855^2 + 604393^2 .

It is not an unprimeable number, because it can be changed into a prime (394825039471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20249122 + ... + 20268610.

Almost surely, 2^394825039474 is an apocalyptic number.

394825039474 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

394825039474 is a deficient number, since it is larger than the sum of its proper divisors (237951801086).

394825039474 is a wasteful number, since it uses less digits than its factorization.

394825039474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24894.

The product of its (nonzero) digits is 26127360, while the sum is 58.

The spelling of 394825039474 in words is "three hundred ninety-four billion, eight hundred twenty-five million, thirty-nine thousand, four hundred seventy-four".