40303144 has 16 divisors (see below), whose sum is σ = 86364000. Its totient is φ = 17272752.

The previous prime is 40303139. The next prime is 40303157. The reversal of 40303144 is 44130304.

40303144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 359794 + ... + 359905.

It is an arithmetic number, because the mean of its divisors is an integer number (5397750).

Almost surely, 2^40303144 is an apocalyptic number.

It is an amenable number.

40303144 is an abundant number, since it is smaller than the sum of its proper divisors (46060856).

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

40303144 is a wasteful number, since it uses less digits than its factorization.

40303144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719712 (or 719708 counting only the distinct ones).

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

The square root of 40303144 is about 6348.4757225652. The cubic root of 40303144 is about 342.8569642195.

Adding to 40303144 its reverse (44130304), we get a palindrome (84433448).

The spelling of 40303144 in words is "forty million, three hundred three thousand, one hundred forty-four".