40338412775 has 24 divisors (see below), whose sum is σ = 50360456784. Its totient is φ = 32051116800.

The previous prime is 40338412769. The next prime is 40338412799. The reversal of 40338412775 is 57721483304.

It is not a de Polignac number, because 40338412775 - 2³² = 36043445479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 9048347 + ... + 9052803.

It is an arithmetic number, because the mean of its divisors is an integer number (2098352366).

Almost surely, 2^40338412775 is an apocalyptic number.

40338412775 is a deficient number, since it is larger than the sum of its proper divisors (10022044009).

40338412775 is a wasteful number, since it uses less digits than its factorization.

40338412775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6851 (or 6846 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 40338412775 in words is "forty billion, three hundred thirty-eight million, four hundred twelve thousand, seven hundred seventy-five".