40544250 has 32 divisors (see below), whose sum is σ = 101200320. Its totient is φ = 10811600.

The previous prime is 40544219. The next prime is 40544261. The reversal of 40544250 is 5244504.

It is a self number, because there is not a number n which added to its sum of digits gives 40544250.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26280 + ... + 27779.

It is an arithmetic number, because the mean of its divisors is an integer number (3162510).

Almost surely, 2^40544250 is an apocalyptic number.

40544250 is an abundant number, since it is smaller than the sum of its proper divisors (60656070).

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

40544250 is a wasteful number, since it uses less digits than its factorization.

40544250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54079 (or 54069 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 40544250 is about 6367.4366899091. The cubic root of 40544250 is about 343.5392978734.

Adding to 40544250 its reverse (5244504), we get a palindrome (45788754).

The spelling of 40544250 in words is "forty million, five hundred forty-four thousand, two hundred fifty".