140804638848 has 128 divisors (see below), whose sum is σ = 422382489600. Its totient is φ = 46165386240.

The previous prime is 140804638841. The next prime is 140804638861. The reversal of 140804638848 is 848836408041.

140804638848 is a `hidden beast` number, since 140 + 80 + 4 + 6 + 388 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×140804638848² (a number of 23 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 140804638794 and 140804638803.

It is not an unprimeable number, because it can be changed into a prime (140804638841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123136 + ... + 544767.

It is an arithmetic number, because the mean of its divisors is an integer number (3299863200).

Almost surely, 2^140804638848 is an apocalyptic number.

140804638848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

140804638848 is an abundant number, since it is smaller than the sum of its proper divisors (281577850752).

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

140804638848 is an equidigital number, since it uses as much as digits as its factorization.

140804638848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667987 (or 667969 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 54.

The spelling of 140804638848 in words is "one hundred forty billion, eight hundred four million, six hundred thirty-eight thousand, eight hundred forty-eight".