40530117 has 16 divisors (see below), whose sum is σ = 56654208. Its totient is φ = 25724160.

The previous prime is 40530103. The next prime is 40530157. The reversal of 40530117 is 71103504.

It is not a de Polignac number, because 40530117 - 2⁸ = 40529861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40530093 and 40530102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40530157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14817 + ... + 17337.

It is an arithmetic number, because the mean of its divisors is an integer number (3540888).

Almost surely, 2^40530117 is an apocalyptic number.

It is an amenable number.

40530117 is a deficient number, since it is larger than the sum of its proper divisors (16124091).

40530117 is a wasteful number, since it uses less digits than its factorization.

40530117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780.

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

The square root of 40530117 is about 6366.3268059376. The cubic root of 40530117 is about 343.4993760172.

The spelling of 40530117 in words is "forty million, five hundred thirty thousand, one hundred seventeen".