39643290140 has 48 divisors (see below), whose sum is σ = 85212322272. Its totient is φ = 15483933696.

The previous prime is 39643290133. The next prime is 39643290143. The reversal of 39643290140 is 4109234693.

39643290140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39643290143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5067512 + ... + 5075328.

It is an arithmetic number, because the mean of its divisors is an integer number (1775256714).

Almost surely, 2^39643290140 is an apocalyptic number.

It is an amenable number.

39643290140 is an abundant number, since it is smaller than the sum of its proper divisors (45569032132).

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

39643290140 is a wasteful number, since it uses less digits than its factorization.

39643290140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13766 (or 13764 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 41.

The spelling of 39643290140 in words is "thirty-nine billion, six hundred forty-three million, two hundred ninety thousand, one hundred forty".