40025650 has 108 divisors (see below), whose sum is σ = 94750074. Its totient is φ = 12499200.

The previous prime is 40025639. The next prime is 40025729. The reversal of 40025650 is 5652004.

40025650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 34327881 + 5697769 = 5859^2 + 2387^2 .

It is a congruent number.

It is an unprimeable number.

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 53 ways as a sum of consecutive naturals, for example, 1291135 + ... + 1291165.

Almost surely, 2^40025650 is an apocalyptic number.

40025650 is an abundant number, since it is smaller than the sum of its proper divisors (54724424).

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

40025650 is a wasteful number, since it uses less digits than its factorization.

40025650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 40025650 is about 6326.5828059072. The cubic root of 40025650 is about 342.0682751872.

Adding to 40025650 its reverse (5652004), we get a palindrome (45677654).

The spelling of 40025650 in words is "forty million, twenty-five thousand, six hundred fifty".