40048168097 has 6 divisors (see below), whose sum is σ = 46586644578. Its totient is φ = 34327001184.

The previous prime is 40048168093. The next prime is 40048168109. The reversal of 40048168097 is 79086184004.

It can be written as a sum of positive squares in only one way, i.e., 21790483456 + 18257684641 = 147616^2 + 135121^2 .

It is not a de Polignac number, because 40048168097 - 2² = 40048168093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40048168091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 408654728 + ... + 408654825.

It is an arithmetic number, because the mean of its divisors is an integer number (7764440763).

Almost surely, 2^40048168097 is an apocalyptic number.

It is an amenable number.

40048168097 is a deficient number, since it is larger than the sum of its proper divisors (6538476481).

40048168097 is an equidigital number, since it uses as much as digits as its factorization.

40048168097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817309567 (or 817309560 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 40048168097 in words is "forty billion, forty-eight million, one hundred sixty-eight thousand, ninety-seven".