40708473993 has 40 divisors (see below), whose sum is σ = 66779292096. Its totient is φ = 24508332000.

The previous prime is 40708473947. The next prime is 40708474003. The reversal of 40708473993 is 39937480704.

40708473993 is a `hidden beast` number, since 407 + 0 + 84 + 73 + 9 + 93 = 666.

It is not a de Polignac number, because 40708473993 - 2¹⁴ = 40708457609 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40708473913) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16746 + ... + 285827.

Almost surely, 2^40708473993 is an apocalyptic number.

It is an amenable number.

40708473993 is a deficient number, since it is larger than the sum of its proper divisors (26070818103).

40708473993 is a wasteful number, since it uses less digits than its factorization.

40708473993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302747 (or 302738 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 40708473993 in words is "forty billion, seven hundred eight million, four hundred seventy-three thousand, nine hundred ninety-three".