140640365543604 has 96 divisors (see below), whose sum is σ = 335183045379840. Its totient is φ = 45887619993600.

The previous prime is 140640365543603. The next prime is 140640365543609. The reversal of 140640365543604 is 406345563046041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140640365543603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67852114 + ... + 69894134.

It is an arithmetic number, because the mean of its divisors is an integer number (3491490056040).

Almost surely, 2^{140640365543604} is an apocalyptic number.

It is an amenable number.

140640365543604 is an abundant number, since it is smaller than the sum of its proper divisors (194542679836236).

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

140640365543604 is a wasteful number, since it uses less digits than its factorization.

140640365543604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042681 (or 2042679 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 51.

The spelling of 140640365543604 in words is "one hundred forty trillion, six hundred forty billion, three hundred sixty-five million, five hundred forty-three thousand, six hundred four".