40140633 has 8 divisors (see below), whose sum is σ = 57637888. Its totient is φ = 24701904.

The previous prime is 40140601. The next prime is 40140641. The reversal of 40140633 is 33604104.

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

It is not a de Polignac number, because 40140633 - 2⁵ = 40140601 is a prime.

It is a super-2 number, since 2×40140633² = 3222540835281378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40140643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514585 + ... + 514662.

It is an arithmetic number, because the mean of its divisors is an integer number (7204736).

Almost surely, 2^40140633 is an apocalyptic number.

It is an amenable number.

40140633 is a deficient number, since it is larger than the sum of its proper divisors (17497255).

40140633 is a wasteful number, since it uses less digits than its factorization.

40140633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029263.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 40140633 is about 6335.6635800838. The cubic root of 40140633 is about 342.3955189505.

Adding to 40140633 its reverse (33604104), we get a palindrome (73744737).

The spelling of 40140633 in words is "forty million, one hundred forty thousand, six hundred thirty-three".