200240144 has 40 divisors (see below), whose sum is σ = 442393560. Its totient is φ = 86980608.

The previous prime is 200240141. The next prime is 200240147. The reversal of 200240144 is 441042002.

It is an interprime number because it is at equal distance from previous prime (200240141) and next prime (200240147).

It can be written as a sum of positive squares in 4 ways, for example, as 16908544 + 183331600 = 4112^2 + 13540^2 .

It is a super-2 number, since 2×200240144² = 80192230538281472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (200240141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24779 + ... + 31850.

It is an arithmetic number, because the mean of its divisors is an integer number (11059839).

Almost surely, 2^200240144 is an apocalyptic number.

It is an amenable number.

200240144 is an abundant number, since it is smaller than the sum of its proper divisors (242153416).

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

200240144 is a wasteful number, since it uses less digits than its factorization.

200240144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56667 (or 56661 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 200240144 is about 14150.6234491629. The cubic root of 200240144 is about 585.0375157960.

Adding to 200240144 its reverse (441042002), we get a palindrome (641282146).

The spelling of 200240144 in words is "two hundred million, two hundred forty thousand, one hundred forty-four".