40166930 has 16 divisors (see below), whose sum is σ = 72465624. Its totient is φ = 16030080.

The previous prime is 40166927. The next prime is 40166933. The reversal of 40166930 is 3966104.

It is an interprime number because it is at equal distance from previous prime (40166927) and next prime (40166933).

It can be written as a sum of positive squares in 4 ways, for example, as 37736449 + 2430481 = 6143^2 + 1559^2 .

It is a super-2 number, since 2×40166930² = 3226764531249800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40166893 and 40166902.

It is not an unprimeable number, because it can be changed into a prime (40166933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254 + ... + 8966.

Almost surely, 2^40166930 is an apocalyptic number.

40166930 is a deficient number, since it is larger than the sum of its proper divisors (32298694).

40166930 is a wasteful number, since it uses less digits than its factorization.

40166930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9181.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 40166930 is about 6337.7385556679. The cubic root of 40166930 is about 342.4702728741.

The spelling of 40166930 in words is "forty million, one hundred sixty-six thousand, nine hundred thirty".