394760079360 has 384 divisors, whose sum is σ = 1422544032000. Its totient is φ = 103822000128.

The previous prime is 394760079359. The next prime is 394760079367. The reversal of 394760079360 is 63970067493.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 394760079297 and 394760079306.

It is not an unprimeable number, because it can be changed into a prime (394760079367) 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, 20173261 + ... + 20192819.

It is an arithmetic number, because the mean of its divisors is an integer number (3704541750).

Almost surely, 2^394760079360 is an apocalyptic number.

394760079360 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 394760079360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711272016000).

394760079360 is an abundant number, since it is smaller than the sum of its proper divisors (1027783952640).

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

394760079360 is a wasteful number, since it uses less digits than its factorization.

394760079360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19668 (or 19642 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 54.

The spelling of 394760079360 in words is "three hundred ninety-four billion, seven hundred sixty million, seventy-nine thousand, three hundred sixty".