40089633 has 8 divisors (see below), whose sum is σ = 53508000. Its totient is φ = 26698848.

The previous prime is 40089619. The next prime is 40089641. The reversal of 40089633 is 33698004.

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

It is not a de Polignac number, because 40089633 - 2⁴ = 40089617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40089594 and 40089603.

It is not an unprimeable number, because it can be changed into a prime (40089613) 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, 3223 + ... + 9516.

It is an arithmetic number, because the mean of its divisors is an integer number (6688500).

Almost surely, 2^40089633 is an apocalyptic number.

It is an amenable number.

40089633 is a deficient number, since it is larger than the sum of its proper divisors (13418367).

40089633 is a wasteful number, since it uses less digits than its factorization.

40089633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13791.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 40089633 is about 6331.6374659325. The cubic root of 40089633 is about 342.2504492226.

The spelling of 40089633 in words is "forty million, eighty-nine thousand, six hundred thirty-three".