394072244774 has 32 divisors (see below), whose sum is σ = 652740034464. Its totient is φ = 177314618880.

The previous prime is 394072244773. The next prime is 394072244837. The reversal of 394072244774 is 477442270493.

It is a super-2 number, since 2×394072244774² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394072244771) 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, 920204 + ... + 1278639.

It is an arithmetic number, because the mean of its divisors is an integer number (20398126077).

Almost surely, 2^394072244774 is an apocalyptic number.

394072244774 is a deficient number, since it is larger than the sum of its proper divisors (258667789690).

394072244774 is a wasteful number, since it uses less digits than its factorization.

394072244774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199032.

The product of its (nonzero) digits is 9483264, while the sum is 53.

The spelling of 394072244774 in words is "three hundred ninety-four billion, seventy-two million, two hundred forty-four thousand, seven hundred seventy-four".