1394400000 has 432 divisors, whose sum is σ = 5365156608. Its totient is φ = 314880000.

The previous prime is 1394399983. The next prime is 1394400031. The reversal of 1394400000 is 44931.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1394400000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16799959 + ... + 16800041.

It is an arithmetic number, because the mean of its divisors is an integer number (12419344).

Almost surely, 2^1394400000 is an apocalyptic number.

1394400000 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 1394400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2682578304).

1394400000 is an abundant number, since it is smaller than the sum of its proper divisors (3970756608).

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

1394400000 is an frugal number, since it uses more digits than its factorization.

1394400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1394400000 is about 37341.6657368147. The cubic root of 1394400000 is about 1117.1953636136.

Adding to 1394400000 its reverse (44931), we get a palindrome (1394444931).

The spelling of 1394400000 in words is "one billion, three hundred ninety-four million, four hundred thousand".