40243004140 has 48 divisors (see below), whose sum is σ = 85373870400. Its totient is φ = 15933102080.

The previous prime is 40243004101. The next prime is 40243004149. The reversal of 40243004140 is 4140034204.

It is not an unprimeable number, because it can be changed into a prime (40243004149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1708161 + ... + 1731559.

It is an arithmetic number, because the mean of its divisors is an integer number (1778622300).

Almost surely, 2^40243004140 is an apocalyptic number.

It is an amenable number.

40243004140 is an abundant number, since it is smaller than the sum of its proper divisors (45130866260).

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

40243004140 is a wasteful number, since it uses less digits than its factorization.

40243004140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24282 (or 24280 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 40243004140 its reverse (4140034204), we get a palindrome (44383038344).

The spelling of 40243004140 in words is "forty billion, two hundred forty-three million, four thousand, one hundred forty".