40640150 has 24 divisors (see below), whose sum is σ = 75791280. Its totient is φ = 16212960.

The previous prime is 40640137. The next prime is 40640153. The reversal of 40640150 is 5104604.

It is a happy number.

40640150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40640153) 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 11 ways as a sum of consecutive naturals, for example, 23516 + ... + 25184.

It is an arithmetic number, because the mean of its divisors is an integer number (3157970).

Almost surely, 2^40640150 is an apocalyptic number.

40640150 is a deficient number, since it is larger than the sum of its proper divisors (35151130).

40640150 is a wasteful number, since it uses less digits than its factorization.

40640150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168 (or 2163 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 40640150 is about 6374.9627449892. The cubic root of 40640150 is about 343.8099443670.

Adding to 40640150 its reverse (5104604), we get a palindrome (45744754).

The spelling of 40640150 in words is "forty million, six hundred forty thousand, one hundred fifty".