40469750538 has 32 divisors (see below), whose sum is σ = 92509547904. Its totient is φ = 11561878272.

The previous prime is 40469750479. The next prime is 40469750539. The reversal of 40469750538 is 83505796404.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40469750539) 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 15 ways as a sum of consecutive naturals, for example, 651406 + ... + 710822.

It is an arithmetic number, because the mean of its divisors is an integer number (2890923372).

Almost surely, 2^40469750538 is an apocalyptic number.

40469750538 is an abundant number, since it is smaller than the sum of its proper divisors (52039797366).

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

40469750538 is a wasteful number, since it uses less digits than its factorization.

40469750538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75646.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 40469750538 in words is "forty billion, four hundred sixty-nine million, seven hundred fifty thousand, five hundred thirty-eight".