140043442140 has 144 divisors (see below), whose sum is σ = 487016816832. Its totient is φ = 31908860928.

The previous prime is 140043442103. The next prime is 140043442193. The reversal of 140043442140 is 41244340041.

140043442140 is a `hidden beast` number, since 1 + 40 + 0 + 43 + 442 + 140 = 666.

It is a super-2 number, since 2×140043442140² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 224112 + ... + 574728.

It is an arithmetic number, because the mean of its divisors is an integer number (3382061228).

Almost surely, 2^140043442140 is an apocalyptic number.

140043442140 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 140043442140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243508408416).

140043442140 is an abundant number, since it is smaller than the sum of its proper divisors (346973374692).

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

140043442140 is a wasteful number, since it uses less digits than its factorization.

140043442140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350956 (or 350951 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 140043442140 its reverse (41244340041), we get a palindrome (181287782181).

The spelling of 140043442140 in words is "one hundred forty billion, forty-three million, four hundred forty-two thousand, one hundred forty".