140015345544 has 96 divisors (see below), whose sum is σ = 383212477440. Its totient is φ = 46181376000.

The previous prime is 140015345543. The next prime is 140015345563. The reversal of 140015345544 is 445543510041.

140015345544 is a `hidden beast` number, since 14 + 0 + 0 + 153 + 455 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 140015345499 and 140015345508.

It is not an unprimeable number, because it can be changed into a prime (140015345543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2769049 + ... + 2819159.

It is an arithmetic number, because the mean of its divisors is an integer number (3991796640).

Almost surely, 2^140015345544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140015345544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191606238720).

140015345544 is an abundant number, since it is smaller than the sum of its proper divisors (243197131896).

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

140015345544 is a wasteful number, since it uses less digits than its factorization.

140015345544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50531 (or 50524 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 140015345544 its reverse (445543510041), we get a palindrome (585558855585).

The spelling of 140015345544 in words is "one hundred forty billion, fifteen million, three hundred forty-five thousand, five hundred forty-four".