40421212424443 has 8 divisors (see below), whose sum is σ = 40975243873200. Its totient is φ = 39867189522048.

The previous prime is 40421212424441. The next prime is 40421212424449. The reversal of 40421212424443 is 34442421212404.

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 40421212424443 - 2¹ = 40421212424441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40421212424441) 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, 7695468 + ... + 11834806.

It is an arithmetic number, because the mean of its divisors is an integer number (5121905484150).

Almost surely, 2^{40421212424443} is an apocalyptic number.

40421212424443 is a deficient number, since it is larger than the sum of its proper divisors (554031448757).

40421212424443 is a wasteful number, since it uses less digits than its factorization.

40421212424443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273181.

The product of its (nonzero) digits is 196608, while the sum is 37.

Adding to 40421212424443 its reverse (34442421212404), we get a palindrome (74863633636847).

The spelling of 40421212424443 in words is "forty trillion, four hundred twenty-one billion, two hundred twelve million, four hundred twenty-four thousand, four hundred forty-three".