4021313001444 has 30 divisors (see below), whose sum is σ = 10512506520054. Its totient is φ = 1340437667040.

The previous prime is 4021313001389. The next prime is 4021313001449. The reversal of 4021313001444 is 4441003131204.

4021313001444 is a `hidden beast` number, since 4 + 0 + 213 + 1 + 3 + 0 + 0 + 1 + 444 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3635314222500 + 385998778944 = 1906650^2 + 621288^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4021313001449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6205729617 + ... + 6205730264.

Almost surely, 2^{4021313001444} is an apocalyptic number.

It is an amenable number.

4021313001444 is an abundant number, since it is smaller than the sum of its proper divisors (6491193518610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4021313001444 is a wasteful number, since it uses less digits than its factorization.

4021313001444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12411459897 (or 12411459886 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 4021313001444 its reverse (4441003131204), we get a palindrome (8462316132648).

The spelling of 4021313001444 in words is "four trillion, twenty-one billion, three hundred thirteen million, one thousand, four hundred forty-four".