394930722900 has 144 divisors (see below), whose sum is σ = 1306816802816. Its totient is φ = 90206801280.

The previous prime is 394930722871. The next prime is 394930722911. The reversal of 394930722900 is 9227039493.

It is a self number, because there is not a number n which added to its sum of digits gives 394930722900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2973717 + ... + 3103683.

Almost surely, 2^394930722900 is an apocalyptic number.

394930722900 is a gapful number since it is divisible by the number (30) 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 394930722900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653408401408).

394930722900 is an abundant number, since it is smaller than the sum of its proper divisors (911886079916).

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

394930722900 is a wasteful number, since it uses less digits than its factorization.

394930722900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131438 (or 131431 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 48.

The spelling of 394930722900 in words is "three hundred ninety-four billion, nine hundred thirty million, seven hundred twenty-two thousand, nine hundred".