140045544340 has 72 divisors (see below), whose sum is σ = 318792068280. Its totient is φ = 51654979584.

The previous prime is 140045544323. The next prime is 140045544343. The reversal of 140045544340 is 43445540041.

140045544340 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 12 ways, for example, as 31347410704 + 108698133636 = 177052^2 + 329694^2 .

It is a super-2 number, since 2×140045544340² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140045544296 and 140045544305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140045544343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3281056 + ... + 3323464.

It is an arithmetic number, because the mean of its divisors is an integer number (4427667615).

Almost surely, 2^140045544340 is an apocalyptic number.

140045544340 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 140045544340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159396034140).

140045544340 is an abundant number, since it is smaller than the sum of its proper divisors (178746523940).

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

140045544340 is a wasteful number, since it uses less digits than its factorization.

140045544340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43421 (or 43406 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

The spelling of 140045544340 in words is "one hundred forty billion, forty-five million, five hundred forty-four thousand, three hundred forty".