40503117 has 24 divisors (see below), whose sum is σ = 57607200. Its totient is φ = 25308000.

The previous prime is 40503107. The next prime is 40503137. The reversal of 40503117 is 71130504.

It is not a de Polignac number, because 40503117 - 2¹⁵ = 40470349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40503093 and 40503102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40503107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161242 + ... + 161492.

It is an arithmetic number, because the mean of its divisors is an integer number (2400300).

Almost surely, 2^40503117 is an apocalyptic number.

It is an amenable number.

40503117 is a deficient number, since it is larger than the sum of its proper divisors (17104083).

40503117 is a wasteful number, since it uses less digits than its factorization.

40503117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 40503117 is about 6364.2059206157. The cubic root of 40503117 is about 343.4230826000.

The spelling of 40503117 in words is "forty million, five hundred three thousand, one hundred seventeen".