40633005 has 48 divisors (see below), whose sum is σ = 76991040. Its totient is φ = 18240768.

The previous prime is 40632997. The next prime is 40633027. The reversal of 40633005 is 50033604.

It is not a de Polignac number, because 40633005 - 2³ = 40632997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42897 + ... + 43833.

It is an arithmetic number, because the mean of its divisors is an integer number (1603980).

Almost surely, 2^40633005 is an apocalyptic number.

It is an amenable number.

40633005 is a deficient number, since it is larger than the sum of its proper divisors (36358035).

40633005 is a wasteful number, since it uses less digits than its factorization.

40633005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 40633005 is about 6374.4023249243. The cubic root of 40633005 is about 343.7897946216.

Adding to 40633005 its reverse (50033604), we get a palindrome (90666609).

It can be divided in two parts, 406 and 33005, that added together give a triangular number (33411 = T₂₅₈).

The spelling of 40633005 in words is "forty million, six hundred thirty-three thousand, five".