40633941 has 4 divisors (see below), whose sum is σ = 54178592. Its totient is φ = 27089292.

The previous prime is 40633937. The next prime is 40634003. The reversal of 40633941 is 14933604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40633941 - 2² = 40633937 is a prime.

It is a super-2 number, since 2×40633941² = 3302234322382962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40633899 and 40633908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40633921) 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 3 ways as a sum of consecutive naturals, for example, 6772321 + ... + 6772326.

It is an arithmetic number, because the mean of its divisors is an integer number (13544648).

Almost surely, 2^40633941 is an apocalyptic number.

It is an amenable number.

40633941 is a deficient number, since it is larger than the sum of its proper divisors (13544651).

40633941 is a wasteful number, since it uses less digits than its factorization.

40633941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13544650.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 40633941 is about 6374.4757431494. The cubic root of 40633941 is about 343.7924343868.

The spelling of 40633941 in words is "forty million, six hundred thirty-three thousand, nine hundred forty-one".