40055433 has 8 divisors (see below), whose sum is σ = 58262496. Its totient is φ = 24276000.

The previous prime is 40055369. The next prime is 40055437. The reversal of 40055433 is 33455004.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40055433 - 2⁶ = 40055369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40055437) 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, 606868 + ... + 606933.

It is an arithmetic number, because the mean of its divisors is an integer number (7282812).

Almost surely, 2^40055433 is an apocalyptic number.

It is an amenable number.

40055433 is a deficient number, since it is larger than the sum of its proper divisors (18207063).

40055433 is a wasteful number, since it uses less digits than its factorization.

40055433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213815.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 40055433 is about 6328.9361665291. The cubic root of 40055433 is about 342.1530982408.

The spelling of 40055433 in words is "forty million, fifty-five thousand, four hundred thirty-three".