140545400560 has 80 divisors (see below), whose sum is σ = 332363772000. Its totient is φ = 55256785920.

The previous prime is 140545400539. The next prime is 140545400561. The reversal of 140545400560 is 65004545041.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140545400561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7305514 + ... + 7324726.

It is an arithmetic number, because the mean of its divisors is an integer number (4154547150).

Almost surely, 2^140545400560 is an apocalyptic number.

140545400560 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 140545400560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166181886000).

140545400560 is an abundant number, since it is smaller than the sum of its proper divisors (191818371440).

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

140545400560 is a wasteful number, since it uses less digits than its factorization.

140545400560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20786 (or 20780 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 140545400560 in words is "one hundred forty billion, five hundred forty-five million, four hundred thousand, five hundred sixty".