40630349 has 4 divisors (see below), whose sum is σ = 40643136. Its totient is φ = 40617564.

The previous prime is 40630333. The next prime is 40630423. The reversal of 40630349 is 94303604.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40630349 - 2⁴ = 40630333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40630319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2462 + ... + 9344.

It is an arithmetic number, because the mean of its divisors is an integer number (10160784).

Almost surely, 2^40630349 is an apocalyptic number.

It is an amenable number.

40630349 is a deficient number, since it is larger than the sum of its proper divisors (12787).

40630349 is an equidigital number, since it uses as much as digits as its factorization.

40630349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12786.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 40630349 is about 6374.1939882624. The cubic root of 40630349 is about 343.7823037851.

The spelling of 40630349 in words is "forty million, six hundred thirty thousand, three hundred forty-nine".