40144050 has 36 divisors (see below), whose sum is σ = 107854890. Its totient is φ = 10704960.

The previous prime is 40144037. The next prime is 40144061. The reversal of 40144050 is 5044104.

It can be written as a sum of positive squares in 3 ways, for example, as 25190361 + 14953689 = 5019^2 + 3867^2 .

It is a super-2 number, since 2×40144050² = 3223089500805000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 44155 + ... + 45054.

Almost surely, 2^40144050 is an apocalyptic number.

40144050 is an abundant number, since it is smaller than the sum of its proper divisors (67710840).

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

40144050 is a wasteful number, since it uses less digits than its factorization.

40144050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89227 (or 89219 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 40144050 is about 6335.9332382846. The cubic root of 40144050 is about 342.4052342290.

Adding to 40144050 its reverse (5044104), we get a palindrome (45188154).

The spelling of 40144050 in words is "forty million, one hundred forty-four thousand, fifty".