40044210421 has 8 divisors (see below), whose sum is σ = 41787501120. Its totient is φ = 38301106272.

The previous prime is 40044210377. The next prime is 40044210439. The reversal of 40044210421 is 12401244004.

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 40044210421 - 2¹⁷ = 40044079349 is a prime.

It is a super-3 number, since 3×40044210421³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40044210392 and 40044210401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40044214421) 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, 560121 + ... + 627553.

It is an arithmetic number, because the mean of its divisors is an integer number (5223437640).

Almost surely, 2^40044210421 is an apocalyptic number.

It is an amenable number.

40044210421 is a deficient number, since it is larger than the sum of its proper divisors (1743290699).

40044210421 is a wasteful number, since it uses less digits than its factorization.

40044210421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93275.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 40044210421 its reverse (12401244004), we get a palindrome (52445454425).

The spelling of 40044210421 in words is "forty billion, forty-four million, two hundred ten thousand, four hundred twenty-one".