40146093 has 24 divisors (see below), whose sum is σ = 63980280. Its totient is φ = 24099840.

The previous prime is 40146089. The next prime is 40146143. The reversal of 40146093 is 39064104.

40146093 is a `hidden beast` number, since 40 + 14 + 609 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 39204 + 40106889 = 198^2 + 6333^2 .

It is not a de Polignac number, because 40146093 - 2² = 40146089 is a prime.

It is a super-2 number, since 2×40146093² = 3223417566329298, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40146013) 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, 613 + ... + 8981.

It is an arithmetic number, because the mean of its divisors is an integer number (2665845).

Almost surely, 2^40146093 is an apocalyptic number.

It is an amenable number.

40146093 is a deficient number, since it is larger than the sum of its proper divisors (23834187).

40146093 is a wasteful number, since it uses less digits than its factorization.

40146093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8429 (or 8426 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 40146093 is about 6336.0944595232. The cubic root of 40146093 is about 342.4110426616.

The spelling of 40146093 in words is "forty million, one hundred forty-six thousand, ninety-three".