40334443521 has 8 divisors (see below), whose sum is σ = 53805109344. Its totient is φ = 26876703360.

The previous prime is 40334443519. The next prime is 40334443543. The reversal of 40334443521 is 12534443304.

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

It is not a de Polignac number, because 40334443521 - 2¹ = 40334443519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40334443571) 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, 3224131 + ... + 3236616.

It is an arithmetic number, because the mean of its divisors is an integer number (6725638668).

Almost surely, 2^40334443521 is an apocalyptic number.

It is an amenable number.

40334443521 is a deficient number, since it is larger than the sum of its proper divisors (13470665823).

40334443521 is a wasteful number, since it uses less digits than its factorization.

40334443521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6462831.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 40334443521 its reverse (12534443304), we get a palindrome (52868886825).

The spelling of 40334443521 in words is "forty billion, three hundred thirty-four million, four hundred forty-three thousand, five hundred twenty-one".