40830294 has 16 divisors (see below), whose sum is σ = 86464368. Its totient is φ = 12809472.

The previous prime is 40830271. The next prime is 40830323. The reversal of 40830294 is 49203804.

It is a happy number.

40830294 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40830294² = 3334225816252872, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200047 + ... + 200250.

It is an arithmetic number, because the mean of its divisors is an integer number (5404023).

Almost surely, 2^40830294 is an apocalyptic number.

40830294 is an abundant number, since it is smaller than the sum of its proper divisors (45634074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40830294 is a wasteful number, since it uses less digits than its factorization.

40830294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400319.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 40830294 is about 6389.8586838834. The cubic root of 40830294 is about 344.3453074466.

The spelling of 40830294 in words is "forty million, eight hundred thirty thousand, two hundred ninety-four".