40144250 has 32 divisors (see below), whose sum is σ = 75928320. Its totient is φ = 15891600.

The previous prime is 40144229. The next prime is 40144301. The reversal of 40144250 is 5244104.

40144250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40144250² = 3223121616125000, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 24971 + ... + 26529.

It is an arithmetic number, because the mean of its divisors is an integer number (2372760).

Almost surely, 2^40144250 is an apocalyptic number.

40144250 is a deficient number, since it is larger than the sum of its proper divisors (35784070).

40144250 is a wasteful number, since it uses less digits than its factorization.

40144250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679 (or 1669 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 40144250 is about 6335.9490212596. The cubic root of 40144250 is about 342.4058028557.

Adding to 40144250 its reverse (5244104), we get a palindrome (45388354).

The spelling of 40144250 in words is "forty million, one hundred forty-four thousand, two hundred fifty".