4000421211004 has 24 divisors (see below), whose sum is σ = 7043943286800. Its totient is φ = 1987902349440.

The previous prime is 4000421210999. The next prime is 4000421211013. The reversal of 4000421211004 is 4001121240004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4104982 + ... + 4985149.

It is an arithmetic number, because the mean of its divisors is an integer number (293497636950).

Almost surely, 2^{4000421211004} is an apocalyptic number.

It is an amenable number.

4000421211004 is a deficient number, since it is larger than the sum of its proper divisors (3043522075796).

4000421211004 is a wasteful number, since it uses less digits than its factorization.

4000421211004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9090813 (or 9090811 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 4000421211004 its reverse (4001121240004), we get a palindrome (8001542451008).

The spelling of 4000421211004 in words is "four trillion, four hundred twenty-one million, two hundred eleven thousand, four".