63834284340 has 36 divisors (see below), whose sum is σ = 193630663044. Its totient is φ = 17022475776.

The previous prime is 63834284333. The next prime is 63834284359. The reversal of 63834284340 is 4348243836.

63834284340 is a `hidden beast` number, since 638 + 3 + 4 + 2 + 8 + 4 + 3 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10589644836 + 53244639504 = 102906^2 + 230748^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 177317277 + ... + 177317636.

It is an arithmetic number, because the mean of its divisors is an integer number (5378629529).

Almost surely, 2^63834284340 is an apocalyptic number.

63834284340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63834284340 is an abundant number, since it is smaller than the sum of its proper divisors (129796378704).

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

63834284340 is a wasteful number, since it uses less digits than its factorization.

63834284340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354634928 (or 354634923 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The spelling of 63834284340 in words is "sixty-three billion, eight hundred thirty-four million, two hundred eighty-four thousand, three hundred forty".