40624403 has 8 divisors (see below), whose sum is σ = 41774400. Its totient is φ = 39486400.

The previous prime is 40624393. The next prime is 40624439. The reversal of 40624403 is 30442604.

It is a happy number.

40624403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40624403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40621403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4103 + ... + 9903.

It is an arithmetic number, because the mean of its divisors is an integer number (5221800).

Almost surely, 2^40624403 is an apocalyptic number.

40624403 is a deficient number, since it is larger than the sum of its proper divisors (1149997).

40624403 is a wasteful number, since it uses less digits than its factorization.

40624403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5997.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 40624403 is about 6373.7275592859. The cubic root of 40624403 is about 343.7655328298.

The spelling of 40624403 in words is "forty million, six hundred twenty-four thousand, four hundred three".