140821291766240 has 96 divisors (see below), whose sum is σ = 349242963793920. Its totient is φ = 53587544486400.

The previous prime is 140821291766227. The next prime is 140821291766261. The reversal of 140821291766240 is 42667192128041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240312356 + ... + 240897635.

It is an arithmetic number, because the mean of its divisors is an integer number (3637947539520).

Almost surely, 2^{140821291766240} is an apocalyptic number.

140821291766240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140821291766240 is an abundant number, since it is smaller than the sum of its proper divisors (208421672027680).

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

140821291766240 is a wasteful number, since it uses less digits than its factorization.

140821291766240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481210096 (or 481210088 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 140821291766240 in words is "one hundred forty trillion, eight hundred twenty-one billion, two hundred ninety-one million, seven hundred sixty-six thousand, two hundred forty".