40446768340 has 24 divisors (see below), whose sum is σ = 92659869792. Its totient is φ = 14707915680.

The previous prime is 40446768283. The next prime is 40446768361. The reversal of 40446768340 is 4386764404.

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, 91924254 + ... + 91924693.

It is an arithmetic number, because the mean of its divisors is an integer number (3860827908).

Almost surely, 2^40446768340 is an apocalyptic number.

It is an amenable number.

40446768340 is an abundant number, since it is smaller than the sum of its proper divisors (52213101452).

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

40446768340 is a wasteful number, since it uses less digits than its factorization.

40446768340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183848967 (or 183848965 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 46.

The spelling of 40446768340 in words is "forty billion, four hundred forty-six million, seven hundred sixty-eight thousand, three hundred forty".