140561322050 has 54 divisors (see below), whose sum is σ = 268888729473. Its totient is φ = 54666771840.

The previous prime is 140561322049. The next prime is 140561322073. The reversal of 140561322050 is 50223165041.

It can be written as a sum of positive squares in 14 ways, for example, as 54576902689 + 85984419361 = 233617^2 + 293231^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=265105.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 98088134 + ... + 98089566.

Almost surely, 2^140561322050 is an apocalyptic number.

140561322050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140561322050 is a deficient number, since it is larger than the sum of its proper divisors (128327407423).

140561322050 is an frugal number, since it uses more digits than its factorization.

140561322050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952 (or 1477 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 140561322050 its reverse (50223165041), we get a palindrome (190784487091).

The spelling of 140561322050 in words is "one hundred forty billion, five hundred sixty-one million, three hundred twenty-two thousand, fifty".