140757640644 has 24 divisors (see below), whose sum is σ = 345720521440. Its totient is φ = 44449781184.

The previous prime is 140757640627. The next prime is 140757640669. The reversal of 140757640644 is 446046757041.

It is a junction number, because it is equal to n+sod(n) for n = 140757640593 and 140757640602.

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 7 ways as a sum of consecutive naturals, for example, 308678809 + ... + 308679264.

Almost surely, 2^140757640644 is an apocalyptic number.

It is an amenable number.

140757640644 is an abundant number, since it is smaller than the sum of its proper divisors (204962880796).

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

140757640644 is a wasteful number, since it uses less digits than its factorization.

140757640644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617358099 (or 617358097 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 140757640644 in words is "one hundred forty billion, seven hundred fifty-seven million, six hundred forty thousand, six hundred forty-four".