40450240140 has 24 divisors (see below), whose sum is σ = 113260672560. Its totient is φ = 10786730688.

The previous prime is 40450240073. The next prime is 40450240177. The reversal of 40450240140 is 4104205404.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40450240140.

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, 337085275 + ... + 337085394.

It is an arithmetic number, because the mean of its divisors is an integer number (4719194690).

Almost surely, 2^40450240140 is an apocalyptic number.

It is an amenable number.

40450240140 is an abundant number, since it is smaller than the sum of its proper divisors (72810432420).

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

40450240140 is a wasteful number, since it uses less digits than its factorization.

40450240140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674170681 (or 674170679 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 40450240140 its reverse (4104205404), we get a palindrome (44554445544).

The spelling of 40450240140 in words is "forty billion, four hundred fifty million, two hundred forty thousand, one hundred forty".