40481117 has 2 divisors, whose sum is σ = 40481118. Its totient is φ = 40481116.

The previous prime is 40481099. The next prime is 40481143. The reversal of 40481117 is 71118404.

It is an a-pointer prime, because the next prime (40481143) can be obtained adding 40481117 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29365561 + 11115556 = 5419^2 + 3334^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40481117 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40481717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20240558 + 20240559.

It is an arithmetic number, because the mean of its divisors is an integer number (20240559).

Almost surely, 2^40481117 is an apocalyptic number.

It is an amenable number.

40481117 is a deficient number, since it is larger than the sum of its proper divisors (1).

40481117 is an equidigital number, since it uses as much as digits as its factorization.

40481117 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 26.

The square root of 40481117 is about 6362.4772691146. The cubic root of 40481117 is about 343.3608925208.

The spelling of 40481117 in words is "forty million, four hundred eighty-one thousand, one hundred seventeen".