1384513866450 has 192 divisors, whose sum is σ = 4482081878400. Its totient is φ = 309821241600.

The previous prime is 1384513866401. The next prime is 1384513866457. The reversal of 1384513866450 is 546683154831.

It is a happy number.

1384513866450 is a `hidden beast` number, since 1 + 3 + 8 + 4 + 513 + 86 + 6 + 45 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1384513866457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3392845 + ... + 3778944.

It is an arithmetic number, because the mean of its divisors is an integer number (23344176450).

Almost surely, 2^{1384513866450} is an apocalyptic number.

1384513866450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1384513866450 is an abundant number, since it is smaller than the sum of its proper divisors (3097568011950).

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

1384513866450 is a wasteful number, since it uses less digits than its factorization.

1384513866450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7171834 (or 7171823 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 1384513866450 in words is "one trillion, three hundred eighty-four billion, five hundred thirteen million, eight hundred sixty-six thousand, four hundred fifty".