40013214521 has 8 divisors (see below), whose sum is σ = 48136198080. Its totient is φ = 32491933488.

The previous prime is 40013214497. The next prime is 40013214581. The reversal of 40013214521 is 12541231004.

40013214521 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 not a de Polignac number, because 40013214521 - 2⁶ = 40013214457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40013214581) 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, 150425486 + ... + 150425751.

It is an arithmetic number, because the mean of its divisors is an integer number (6017024760).

Almost surely, 2^40013214521 is an apocalyptic number.

It is an amenable number.

40013214521 is a deficient number, since it is larger than the sum of its proper divisors (8122983559).

40013214521 is a wasteful number, since it uses less digits than its factorization.

40013214521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300851263.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 40013214521 its reverse (12541231004), we get a palindrome (52554445525).

The spelling of 40013214521 in words is "forty billion, thirteen million, two hundred fourteen thousand, five hundred twenty-one".