40933290 has 32 divisors (see below), whose sum is σ = 99590976. Its totient is φ = 10765440.

The previous prime is 40933289. The next prime is 40933301. The reversal of 40933290 is 9233904.

40933290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 7156 + ... + 11535.

It is an arithmetic number, because the mean of its divisors is an integer number (3112218).

Almost surely, 2^40933290 is an apocalyptic number.

40933290 is an abundant number, since it is smaller than the sum of its proper divisors (58657686).

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

40933290 is a wasteful number, since it uses less digits than its factorization.

40933290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18774.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 40933290 is about 6397.9129409519. The cubic root of 40933290 is about 344.6346057912.

The spelling of 40933290 in words is "forty million, nine hundred thirty-three thousand, two hundred ninety".