140550432440 has 128 divisors (see below), whose sum is σ = 348877160640. Its totient is φ = 50534400000.

The previous prime is 140550432419. The next prime is 140550432493. The reversal of 140550432440 is 44234055041.

140550432440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 140550432397 and 140550432406.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 41816360 + ... + 41819720.

Almost surely, 2^140550432440 is an apocalyptic number.

140550432440 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 140550432440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174438580320).

140550432440 is an abundant number, since it is smaller than the sum of its proper divisors (208326728200).

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

140550432440 is a wasteful number, since it uses less digits than its factorization.

140550432440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425 (or 4421 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 140550432440 its reverse (44234055041), we get a palindrome (184784487481).

The spelling of 140550432440 in words is "one hundred forty billion, five hundred fifty million, four hundred thirty-two thousand, four hundred forty".