140244560 has 80 divisors (see below), whose sum is σ = 349008912. Its totient is φ = 52224000.

The previous prime is 140244553. The next prime is 140244563. The reversal of 140244560 is 65442041.

140244560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 22391824 + 117852736 = 4732^2 + 10856^2 .

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 (140244563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136850 + ... + 137870.

Almost surely, 2^140244560 is an apocalyptic number.

140244560 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 140244560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174504456).

140244560 is an abundant number, since it is smaller than the sum of its proper divisors (208764352).

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

140244560 is a wasteful number, since it uses less digits than its factorization.

140244560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152 (or 1146 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 140244560 is about 11842.4896031198. The cubic root of 140244560 is about 519.5515858145.

The spelling of 140244560 in words is "one hundred forty million, two hundred forty-four thousand, five hundred sixty".