140120443043240 has 384 divisors, whose sum is σ = 357364674243360. Its totient is φ = 49392414720000.

The previous prime is 140120443043233. The next prime is 140120443043309. The reversal of 140120443043240 is 42340344021041.

It can be written as a sum of positive squares in 16 ways, for example, as 102516394501444 + 37604048541796 = 10125038^2 + 6132214^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140120443043197 and 140120443043206.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4888874510 + ... + 4888903170.

Almost surely, 2^{140120443043240} is an apocalyptic number.

140120443043240 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 140120443043240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178682337121680).

140120443043240 is an abundant number, since it is smaller than the sum of its proper divisors (217244231200120).

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

140120443043240 is a wasteful number, since it uses less digits than its factorization.

140120443043240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29005 (or 28990 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 140120443043240 its reverse (42340344021041), we get a palindrome (182460787064281).

It can be divided in two parts, 1401204 and 43043240, that added together give a palindrome (44444444).

The spelling of 140120443043240 in words is "one hundred forty trillion, one hundred twenty billion, four hundred forty-three million, forty-three thousand, two hundred forty".