40040741 has 8 divisors (see below), whose sum is σ = 43765344. Its totient is φ = 36408240.

The previous prime is 40040731. The next prime is 40040753. The reversal of 40040741 is 14704004.

40040741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40040741 - 2¹⁰ = 40039717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040701) 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 in 7 ways as a sum of consecutive naturals, for example, 22115 + ... + 23856.

It is an arithmetic number, because the mean of its divisors is an integer number (5470668).

Almost surely, 2^40040741 is an apocalyptic number.

It is an amenable number.

40040741 is a deficient number, since it is larger than the sum of its proper divisors (3724603).

40040741 is a wasteful number, since it uses less digits than its factorization.

40040741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46051.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 40040741 is about 6327.7753594767. The cubic root of 40040741 is about 342.1112601540. Note that the first 3 decimals are identical.

Adding to 40040741 its reverse (14704004), we get a palindrome (54744745).

The spelling of 40040741 in words is "forty million, forty thousand, seven hundred forty-one".