40464338971 has 16 divisors (see below), whose sum is σ = 47588287680. Its totient is φ = 33679912320.

The previous prime is 40464338953. The next prime is 40464338983. The reversal of 40464338971 is 17983346404.

It is a cyclic number.

It is not a de Polignac number, because 40464338971 - 2¹¹ = 40464336923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40464338921) 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, 21640 + ... + 285301.

It is an arithmetic number, because the mean of its divisors is an integer number (2974267980).

Almost surely, 2^40464338971 is an apocalyptic number.

40464338971 is a deficient number, since it is larger than the sum of its proper divisors (7123948709).

40464338971 is a wasteful number, since it uses less digits than its factorization.

40464338971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307494.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 40464338971 in words is "forty billion, four hundred sixty-four million, three hundred thirty-eight thousand, nine hundred seventy-one".