4021020044043 has 8 divisors (see below), whose sum is σ = 5643536904000. Its totient is φ = 2539591606728.

The previous prime is 4021020044033. The next prime is 4021020044057. The reversal of 4021020044043 is 3404400201204.

It is a happy number.

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

It is not a de Polignac number, because 4021020044043 - 2¹⁴ = 4021020027659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4021020044033) 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, 35272105593 + ... + 35272105706.

It is an arithmetic number, because the mean of its divisors is an integer number (705442113000).

Almost surely, 2^{4021020044043} is an apocalyptic number.

4021020044043 is a deficient number, since it is larger than the sum of its proper divisors (1622516859957).

4021020044043 is a wasteful number, since it uses less digits than its factorization.

4021020044043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70544211321.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 4021020044043 its reverse (3404400201204), we get a palindrome (7425420245247).

The spelling of 4021020044043 in words is "four trillion, twenty-one billion, twenty million, forty-four thousand, forty-three".