140171856384 has 320 divisors, whose sum is σ = 439657574400. Its totient is φ = 38858047488.

The previous prime is 140171856367. The next prime is 140171856449. The reversal of 140171856384 is 483658171041.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50113674 + ... + 50116470.

It is an arithmetic number, because the mean of its divisors is an integer number (1373929920).

Almost surely, 2^140171856384 is an apocalyptic number.

140171856384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140171856384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219828787200).

140171856384 is an abundant number, since it is smaller than the sum of its proper divisors (299485718016).

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

140171856384 is an equidigital number, since it uses as much as digits as its factorization.

140171856384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963 (or 2947 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 140171856384 in words is "one hundred forty billion, one hundred seventy-one million, eight hundred fifty-six thousand, three hundred eighty-four".