40224330021 has 8 divisors (see below), whose sum is σ = 53651833984. Its totient is φ = 26806523040.

The previous prime is 40224330017. The next prime is 40224330043. The reversal of 40224330021 is 12003342204.

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

It is not a de Polignac number, because 40224330021 - 2² = 40224330017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40224330021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40224330001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2414560 + ... + 2431161.

It is an arithmetic number, because the mean of its divisors is an integer number (6706479248).

Almost surely, 2^40224330021 is an apocalyptic number.

It is an amenable number.

40224330021 is a deficient number, since it is larger than the sum of its proper divisors (13427503963).

40224330021 is a wasteful number, since it uses less digits than its factorization.

40224330021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4848491.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 40224330021 its reverse (12003342204), we get a palindrome (52227672225).

The spelling of 40224330021 in words is "forty billion, two hundred twenty-four million, three hundred thirty thousand, twenty-one".