394238415360 has 320 divisors, whose sum is σ = 1284513500160. Its totient is φ = 103121141760.

The previous prime is 394238415353. The next prime is 394238415371. The reversal of 394238415360 is 63514832493.

It is a tau number, because it is divible by the number of its divisors (320).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 336667575 + ... + 336668745.

It is an arithmetic number, because the mean of its divisors is an integer number (4014104688).

Almost surely, 2^394238415360 is an apocalyptic number.

394238415360 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 394238415360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642256750080).

394238415360 is an abundant number, since it is smaller than the sum of its proper divisors (890275084800).

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

394238415360 is a wasteful number, since it uses less digits than its factorization.

394238415360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999 (or 1983 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 394238415360 in words is "three hundred ninety-four billion, two hundred thirty-eight million, four hundred fifteen thousand, three hundred sixty".