40603005 has 32 divisors (see below), whose sum is σ = 73276800. Its totient is φ = 21331728.

The previous prime is 40603001. The next prime is 40603037. The reversal of 40603005 is 50030604.

It is a happy number.

It is not a de Polignac number, because 40603005 - 2² = 40603001 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40603001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 605982 + ... + 606048.

It is an arithmetic number, because the mean of its divisors is an integer number (2289900).

Almost surely, 2^40603005 is an apocalyptic number.

40603005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40603005 is a deficient number, since it is larger than the sum of its proper divisors (32673795).

40603005 is an frugal number, since it uses more digits than its factorization.

40603005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 40603005 is about 6372.0487286272. The cubic root of 40603005 is about 343.7051652820.

Adding to 40603005 its reverse (50030604), we get a palindrome (90633609).

The spelling of 40603005 in words is "forty million, six hundred three thousand, five".