1394549434944 has 448 divisors, whose sum is σ = 4391577907200. Its totient is φ = 432898228224.

The previous prime is 1394549434913. The next prime is 1394549434981. The reversal of 1394549434944 is 4494349454931.

It is a happy number.

1394549434944 is a `hidden beast` number, since 1 + 3 + 9 + 4 + 54 + 94 + 3 + 494 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 613526992 + ... + 613529264.

Almost surely, 2^{1394549434944} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1394549434944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2195788953600).

1394549434944 is an abundant number, since it is smaller than the sum of its proper divisors (2997028472256).

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

1394549434944 is a wasteful number, since it uses less digits than its factorization.

1394549434944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2719 (or 2703 counting only the distinct ones).

The product of its digits is 134369280, while the sum is 63.

The spelling of 1394549434944 in words is "one trillion, three hundred ninety-four billion, five hundred forty-nine million, four hundred thirty-four thousand, nine hundred forty-four".