40650340 has 24 divisors (see below), whose sum is σ = 86571072. Its totient is φ = 16030560.

The previous prime is 40650301. The next prime is 40650341. The reversal of 40650340 is 4305604.

It is not an unprimeable number, because it can be changed into a prime (40650341) 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 7 ways as a sum of consecutive naturals, for example, 12894 + ... + 15733.

It is an arithmetic number, because the mean of its divisors is an integer number (3607128).

Almost surely, 2^40650340 is an apocalyptic number.

It is an amenable number.

40650340 is an abundant number, since it is smaller than the sum of its proper divisors (45920732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40650340 is a wasteful number, since it uses less digits than its factorization.

40650340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28707 (or 28705 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 40650340 is about 6375.7619152537. The cubic root of 40650340 is about 343.8386772872.

Adding to 40650340 its reverse (4305604), we get a palindrome (44955944).

The spelling of 40650340 in words is "forty million, six hundred fifty thousand, three hundred forty".