140505547044 has 48 divisors (see below), whose sum is σ = 345239072640. Its totient is φ = 44387861760.

The previous prime is 140505546977. The next prime is 140505547081. The reversal of 140505547044 is 440745505041.

It is a junction number, because it is equal to n+sod(n) for n = 140505546993 and 140505547011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2305137 + ... + 2365304.

It is an arithmetic number, because the mean of its divisors is an integer number (7192480680).

Almost surely, 2^140505547044 is an apocalyptic number.

It is an amenable number.

140505547044 is an abundant number, since it is smaller than the sum of its proper divisors (204733525596).

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

140505547044 is a wasteful number, since it uses less digits than its factorization.

140505547044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4670580 (or 4670578 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 39.

The spelling of 140505547044 in words is "one hundred forty billion, five hundred five million, five hundred forty-seven thousand, forty-four".