1394442000 has 960 divisors, whose sum is σ = 6351022080. Its totient is φ = 290304000.

The previous prime is 1394441963. The next prime is 1394442001. The reversal of 1394442000 is 2444931.

1394442000 is a `hidden beast` number, since 13 + 9 + 444 + 200 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1394442001) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 44981985 + ... + 44982015.

It is an arithmetic number, because the mean of its divisors is an integer number (6615648).

Almost surely, 2^1394442000 is an apocalyptic number.

1394442000 is a gapful number since it is divisible by the number (10) 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 1394442000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3175511040).

1394442000 is an abundant number, since it is smaller than the sum of its proper divisors (4956580080).

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

1394442000 is a wasteful number, since it uses less digits than its factorization.

1394442000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1394442000 is about 37342.2281070640. The cubic root of 1394442000 is about 1117.2065803219.

Adding to 1394442000 its reverse (2444931), we get a palindrome (1396886931).

The spelling of 1394442000 in words is "one billion, three hundred ninety-four million, four hundred forty-two thousand".