1394460144000 has 3072 divisors, whose sum is σ = 6690881433600. Its totient is φ = 279189504000.

The previous prime is 1394460143977. The next prime is 1394460144001. The reversal of 1394460144000 is 4410644931.

It is a happy number.

1394460144000 is a `hidden beast` number, since 1 + 3 + 9 + 4 + 4 + 601 + 4 + 40 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394460144001) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 13538447949 + ... + 13538448051.

It is an arithmetic number, because the mean of its divisors is an integer number (2178021300).

Almost surely, 2^{1394460144000} is an apocalyptic number.

1394460144000 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 1394460144000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3345440716800).

1394460144000 is an abundant number, since it is smaller than the sum of its proper divisors (5296421289600).

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

1394460144000 is a wasteful number, since it uses less digits than its factorization.

1394460144000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Adding to 1394460144000 its reverse (4410644931), we get a palindrome (1398870788931).

The spelling of 1394460144000 in words is "one trillion, three hundred ninety-four billion, four hundred sixty million, one hundred forty-four thousand".