140778514944 has 320 divisors, whose sum is σ = 427440499200. Its totient is φ = 45727432704.

The previous prime is 140778514909. The next prime is 140778514969. The reversal of 140778514944 is 449415877041.

140778514944 is a `hidden beast` number, since 1 + 4 + 0 + 77 + 85 + 1 + 494 + 4 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252743914 + ... + 252744470.

It is an arithmetic number, because the mean of its divisors is an integer number (1335751560).

Almost surely, 2^140778514944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140778514944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213720249600).

140778514944 is an abundant number, since it is smaller than the sum of its proper divisors (286661984256).

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

140778514944 is an equidigital number, since it uses as much as digits as its factorization.

140778514944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020 (or 998 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 140778514944 in words is "one hundred forty billion, seven hundred seventy-eight million, five hundred fourteen thousand, nine hundred forty-four".