4044001323420 has 72 divisors (see below), whose sum is σ = 12565994379120. Its totient is φ = 1052097903360.

The previous prime is 4044001323391. The next prime is 4044001323433. The reversal of 4044001323420 is 243231004404.

It is a happy number.

4044001323420 is a `hidden beast` number, since 4 + 0 + 4 + 400 + 1 + 3 + 234 + 20 = 666.

It is a super-2 number, since 2×4044001323420² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273976450 + ... + 273991209.

It is an arithmetic number, because the mean of its divisors is an integer number (174527699710).

Almost surely, 2^{4044001323420} is an apocalyptic number.

It is an amenable number.

4044001323420 is an abundant number, since it is smaller than the sum of its proper divisors (8521993055700).

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

4044001323420 is a wasteful number, since it uses less digits than its factorization.

4044001323420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547967715 (or 547967710 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 4044001323420 its reverse (243231004404), we get a palindrome (4287232327824).

The spelling of 4044001323420 in words is "four trillion, forty-four billion, one million, three hundred twenty-three thousand, four hundred twenty".