140427746560 has 144 divisors (see below), whose sum is σ = 356473861632. Its totient is φ = 52819558400.

The previous prime is 140427746479. The next prime is 140427746609. The reversal of 140427746560 is 65647724041.

It is a self number, because there is not a number n which added to its sum of digits gives 140427746560.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 32877225 + ... + 32881495.

It is an arithmetic number, because the mean of its divisors is an integer number (2475512928).

Almost surely, 2^140427746560 is an apocalyptic number.

140427746560 is a gapful number since it is divisible by the number (10) 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 140427746560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178236930816).

140427746560 is an abundant number, since it is smaller than the sum of its proper divisors (216046115072).

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

140427746560 is a wasteful number, since it uses less digits than its factorization.

140427746560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820 (or 5806 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 140427746560 in words is "one hundred forty billion, four hundred twenty-seven million, seven hundred forty-six thousand, five hundred sixty".