140550511240 has 16 divisors (see below), whose sum is σ = 316238650380. Its totient is φ = 56220204480.

The previous prime is 140550511169. The next prime is 140550511259. The reversal of 140550511240 is 42115055041.

It can be written as a sum of positive squares in 2 ways, for example, as 135728875396 + 4821635844 = 368414^2 + 69438^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140550511199 and 140550511208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1756881351 + ... + 1756881430.

Almost surely, 2^140550511240 is an apocalyptic number.

140550511240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140550511240 is an abundant number, since it is smaller than the sum of its proper divisors (175688139140).

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

140550511240 is a wasteful number, since it uses less digits than its factorization.

140550511240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3513762792 (or 3513762788 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 140550511240 its reverse (42115055041), we get a palindrome (182665566281).

The spelling of 140550511240 in words is "one hundred forty billion, five hundred fifty million, five hundred eleven thousand, two hundred forty".