394210050432 has 256 divisors, whose sum is σ = 1227575450880. Its totient is φ = 110751252480.

The previous prime is 394210050427. The next prime is 394210050433. The reversal of 394210050432 is 234050012493.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 394210050393 and 394210050402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394210050433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4770168 + ... + 4852104.

It is an arithmetic number, because the mean of its divisors is an integer number (4795216605).

Almost surely, 2^394210050432 is an apocalyptic number.

394210050432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394210050432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (613787725440).

394210050432 is an abundant number, since it is smaller than the sum of its proper divisors (833365400448).

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

394210050432 is a wasteful number, since it uses less digits than its factorization.

394210050432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82049 (or 82037 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 394210050432 in words is "three hundred ninety-four billion, two hundred ten million, fifty thousand, four hundred thirty-two".