40048117 has 2 divisors, whose sum is σ = 40048118. Its totient is φ = 40048116.

The previous prime is 40048087. The next prime is 40048121. The reversal of 40048117 is 71184004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33942276 + 6105841 = 5826^2 + 2471^2 .

It is a cyclic number.

It is not a de Polignac number, because 40048117 - 2⁷ = 40047989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40048091 and 40048100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40048157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20024058 + 20024059.

It is an arithmetic number, because the mean of its divisors is an integer number (20024059).

Almost surely, 2^40048117 is an apocalyptic number.

It is an amenable number.

40048117 is a deficient number, since it is larger than the sum of its proper divisors (1).

40048117 is an equidigital number, since it uses as much as digits as its factorization.

40048117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 40048117 is about 6328.3581599021. The cubic root of 40048117 is about 342.1322659068.

It can be divided in two parts, 4004 and 8117, that added together give a palindrome (12121).

The spelling of 40048117 in words is "forty million, forty-eight thousand, one hundred seventeen".