40324123140 has 48 divisors (see below), whose sum is σ = 129037195392. Its totient is φ = 9216942336.

The previous prime is 40324123121. The next prime is 40324123157. The reversal of 40324123140 is 4132142304.

It is a self number, because there is not a number n which added to its sum of digits gives 40324123140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48004489 + ... + 48005328.

It is an arithmetic number, because the mean of its divisors is an integer number (2688274904).

Almost surely, 2^40324123140 is an apocalyptic number.

It is an amenable number.

40324123140 is an abundant number, since it is smaller than the sum of its proper divisors (88713072252).

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

40324123140 is a wasteful number, since it uses less digits than its factorization.

40324123140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96009836 (or 96009834 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 40324123140 its reverse (4132142304), we get a palindrome (44456265444).

The spelling of 40324123140 in words is "forty billion, three hundred twenty-four million, one hundred twenty-three thousand, one hundred forty".