40330144 has 12 divisors (see below), whose sum is σ = 79400034. Its totient is φ = 20165056.

The previous prime is 40330133. The next prime is 40330153. The reversal of 40330144 is 44103304.

It can be written as a sum of positive squares in only one way, i.e., 25120144 + 15210000 = 5012^2 + 3900^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630127 + ... + 630190.

Almost surely, 2^40330144 is an apocalyptic number.

It is an amenable number.

40330144 is a deficient number, since it is larger than the sum of its proper divisors (39069890).

40330144 is a wasteful number, since it uses less digits than its factorization.

40330144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260327 (or 1260319 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 40330144 is about 6350.6018612412. The cubic root of 40330144 is about 342.9335097086.

Adding to 40330144 its reverse (44103304), we get a palindrome (84433448).

The spelling of 40330144 in words is "forty million, three hundred thirty thousand, one hundred forty-four".