1384302342978 has 12 divisors (see below), whose sum is σ = 2999321743158. Its totient is φ = 461434114320.

The previous prime is 1384302342977. The next prime is 1384302343003. The reversal of 1384302342978 is 8792432034831.

It is a happy number.

1384302342978 is a `hidden beast` number, since 1 + 384 + 3 + 0 + 234 + 29 + 7 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1120267714329 + 264034628649 = 1058427^2 + 513843^2 .

It is not an unprimeable number, because it can be changed into a prime (1384302342977) 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 5 ways as a sum of consecutive naturals, for example, 38452842843 + ... + 38452842878.

Almost surely, 2^{1384302342978} is an apocalyptic number.

1384302342978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1384302342978 is an abundant number, since it is smaller than the sum of its proper divisors (1615019400180).

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

1384302342978 is a wasteful number, since it uses less digits than its factorization.

1384302342978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76905685729 (or 76905685726 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 1384302342978 in words is "one trillion, three hundred eighty-four billion, three hundred two million, three hundred forty-two thousand, nine hundred seventy-eight".