40345263146 has 16 divisors (see below), whose sum is σ = 60623147520. Its totient is φ = 20137579440.

The previous prime is 40345263139. The next prime is 40345263149. The reversal of 40345263146 is 64136254304.

It is not an unprimeable number, because it can be changed into a prime (40345263149) by changing a digit.

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, 2960420 + ... + 2974016.

It is an arithmetic number, because the mean of its divisors is an integer number (3788946720).

Almost surely, 2^40345263146 is an apocalyptic number.

40345263146 is a deficient number, since it is larger than the sum of its proper divisors (20277884374).

40345263146 is a wasteful number, since it uses less digits than its factorization.

40345263146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16069.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 40345263146 in words is "forty billion, three hundred forty-five million, two hundred sixty-three thousand, one hundred forty-six".