40173728048 has 20 divisors (see below), whose sum is σ = 77840886168. Its totient is φ = 20085757440.

The previous prime is 40173728039. The next prime is 40173728053. The reversal of 40173728048 is 84082737104.

It is a super-2 number, since 2×40173728048² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285440 + ... + 402272.

Almost surely, 2^40173728048 is an apocalyptic number.

It is an amenable number.

40173728048 is a deficient number, since it is larger than the sum of its proper divisors (37667158120).

40173728048 is a wasteful number, since it uses less digits than its factorization.

40173728048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138332 (or 138326 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 44.

The spelling of 40173728048 in words is "forty billion, one hundred seventy-three million, seven hundred twenty-eight thousand, forty-eight".