40840048047 has 24 divisors (see below), whose sum is σ = 57791543040. Its totient is φ = 25649493840.

The previous prime is 40840048027. The next prime is 40840048057. The reversal of 40840048047 is 74084004804.

It is not a de Polignac number, because 40840048047 - 2²⁰ = 40838999471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40840047996 and 40840048014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40840048027) 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 23 ways as a sum of consecutive naturals, for example, 88522 + ... + 299192.

It is an arithmetic number, because the mean of its divisors is an integer number (2407980960).

Almost surely, 2^40840048047 is an apocalyptic number.

40840048047 is a deficient number, since it is larger than the sum of its proper divisors (16951494993).

40840048047 is a wasteful number, since it uses less digits than its factorization.

40840048047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210891 (or 210872 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 39.

The spelling of 40840048047 in words is "forty billion, eight hundred forty million, forty-eight thousand, forty-seven".