140455040004 has 18 divisors (see below), whose sum is σ = 355039128990. Its totient is φ = 46818346656.

The previous prime is 140455039999. The next prime is 140455040023. The reversal of 140455040004 is 400040554041.

It can be written as a sum of positive squares in only one way, i.e., 89784129600 + 50670910404 = 299640^2 + 225102^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 140455040004.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1950764409 + ... + 1950764480.

It is an arithmetic number, because the mean of its divisors is an integer number (19724396055).

Almost surely, 2^140455040004 is an apocalyptic number.

It is an amenable number.

140455040004 is an abundant number, since it is smaller than the sum of its proper divisors (214584088986).

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

140455040004 is a wasteful number, since it uses less digits than its factorization.

140455040004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3901528899 (or 3901528894 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 140455040004 its reverse (400040554041), we get a palindrome (540495594045).

The spelling of 140455040004 in words is "one hundred forty billion, four hundred fifty-five million, forty thousand, four".