1384596944640 has 1440 divisors, whose sum is σ = 6162261469056. Its totient is φ = 289043251200.

The previous prime is 1384596944623. The next prime is 1384596944651. The reversal of 1384596944640 is 464496954831.

It is a happy number.

1384596944640 is a `hidden beast` number, since 1 + 3 + 84 + 5 + 9 + 6 + 94 + 464 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 952922154 + ... + 952923606.

Almost surely, 2^{1384596944640} is an apocalyptic number.

1384596944640 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 1384596944640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3081130734528).

1384596944640 is an abundant number, since it is smaller than the sum of its proper divisors (4777664524416).

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

1384596944640 is a wasteful number, since it uses less digits than its factorization.

1384596944640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607 (or 1584 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 63.

The spelling of 1384596944640 in words is "one trillion, three hundred eighty-four billion, five hundred ninety-six million, nine hundred forty-four thousand, six hundred forty".