40434341521 has 8 divisors (see below), whose sum is σ = 46221220800. Its totient is φ = 34650098448.

The previous prime is 40434341513. The next prime is 40434341537. The reversal of 40434341521 is 12514343404.

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

It is not a de Polignac number, because 40434341521 - 2³ = 40434341513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40434341501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626071 + ... + 687628.

It is an arithmetic number, because the mean of its divisors is an integer number (5777652600).

Almost surely, 2^40434341521 is an apocalyptic number.

It is an amenable number.

40434341521 is a deficient number, since it is larger than the sum of its proper divisors (5786879279).

40434341521 is a wasteful number, since it uses less digits than its factorization.

40434341521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318103.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 40434341521 its reverse (12514343404), we get a palindrome (52948684925).

The spelling of 40434341521 in words is "forty billion, four hundred thirty-four million, three hundred forty-one thousand, five hundred twenty-one".