4044121020 has 60 divisors (see below), whose sum is σ = 12686562504. Its totient is φ = 1078431840.

The previous prime is 4044120989. The next prime is 4044121057. The reversal of 4044121020 is 201214404.

4044121020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4044120984 and 4044121002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1246566 + ... + 1249805.

Almost surely, 2^4044121020 is an apocalyptic number.

It is an amenable number.

4044121020 is an abundant number, since it is smaller than the sum of its proper divisors (8642441484).

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

4044121020 is a wasteful number, since it uses less digits than its factorization.

4044121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496392 (or 2496381 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4044121020 is about 63593.4039032351. The cubic root of 4044121020 is about 1593.2162026876.

Adding to 4044121020 its reverse (201214404), we get a palindrome (4245335424).

The spelling of 4044121020 in words is "four billion, forty-four million, one hundred twenty-one thousand, twenty".