140263644606 has 16 divisors (see below), whose sum is σ = 280708410000. Its totient is φ = 46724361408.

The previous prime is 140263644601. The next prime is 140263644617. The reversal of 140263644606 is 606446362041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140263644601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7536631 + ... + 7555218.

It is an arithmetic number, because the mean of its divisors is an integer number (17544275625).

Almost surely, 2^140263644606 is an apocalyptic number.

140263644606 is an abundant number, since it is smaller than the sum of its proper divisors (140444765394).

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

140263644606 is a wasteful number, since it uses less digits than its factorization.

140263644606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15093403.

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 140263644606 in words is "one hundred forty billion, two hundred sixty-three million, six hundred forty-four thousand, six hundred six".