40123413140 has 24 divisors (see below), whose sum is σ = 84283273032. Its totient is φ = 16044773760.

The previous prime is 40123413139. The next prime is 40123413193. The reversal of 40123413140 is 4131432104.

It can be written as a sum of positive squares in 4 ways, for example, as 24137351044 + 15986062096 = 155362^2 + 126436^2 .

It is a congruent number.

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, 214871 + ... + 355550.

It is an arithmetic number, because the mean of its divisors is an integer number (3511803043).

Almost surely, 2^40123413140 is an apocalyptic number.

It is an amenable number.

40123413140 is an abundant number, since it is smaller than the sum of its proper divisors (44159859892).

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

40123413140 is a wasteful number, since it uses less digits than its factorization.

40123413140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573947 (or 573945 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 40123413140 its reverse (4131432104), we get a palindrome (44254845244).

The spelling of 40123413140 in words is "forty billion, one hundred twenty-three million, four hundred thirteen thousand, one hundred forty".