394611051436 has 72 divisors (see below), whose sum is σ = 829712188032. Its totient is φ = 163568160000.

The previous prime is 394611051403. The next prime is 394611051437. The reversal of 394611051436 is 634150116493.

It is a junction number, because it is equal to n+sod(n) for n = 394611051392 and 394611051401.

It is not an unprimeable number, because it can be changed into a prime (394611051437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10924846 + ... + 10960906.

Almost surely, 2^394611051436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394611051436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414856094016).

394611051436 is an abundant number, since it is smaller than the sum of its proper divisors (435101136596).

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

394611051436 is a wasteful number, since it uses less digits than its factorization.

394611051436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37911 (or 37902 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 394611051436 in words is "three hundred ninety-four billion, six hundred eleven million, fifty-one thousand, four hundred thirty-six".