40464475238 has 16 divisors (see below), whose sum is σ = 66232143936. Its totient is φ = 18388068840.

The previous prime is 40464475159. The next prime is 40464475241. The reversal of 40464475238 is 83257446404.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40464475192 and 40464475201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158156 + ... + 325487.

It is an arithmetic number, because the mean of its divisors is an integer number (4139508996).

Almost surely, 2^40464475238 is an apocalyptic number.

40464475238 is a deficient number, since it is larger than the sum of its proper divisors (25767668698).

40464475238 is a wasteful number, since it uses less digits than its factorization.

40464475238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487459.

The product of its (nonzero) digits is 2580480, while the sum is 47.

The spelling of 40464475238 in words is "forty billion, four hundred sixty-four million, four hundred seventy-five thousand, two hundred thirty-eight".