40103744 has 14 divisors (see below), whose sum is σ = 79580994. Its totient is φ = 20051840.

The previous prime is 40103741. The next prime is 40103759. The reversal of 40103744 is 44730104.

40103744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 30118144 + 9985600 = 5488^2 + 3160^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40103741) by changing a digit.

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 as a sum of consecutive naturals, namely, 313247 + ... + 313374.

Almost surely, 2^40103744 is an apocalyptic number.

It is an amenable number.

40103744 is a deficient number, since it is larger than the sum of its proper divisors (39477250).

40103744 is an equidigital number, since it uses as much as digits as its factorization.

40103744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626633 (or 626623 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 40103744 is about 6332.7516925899. The cubic root of 40103744 is about 342.2906003307.

Adding to 40103744 its reverse (44730104), we get a palindrome (84833848).

The spelling of 40103744 in words is "forty million, one hundred three thousand, seven hundred forty-four".