4031044020 has 72 divisors (see below), whose sum is σ = 12434778720. Its totient is φ = 1056722880.

The previous prime is 4031044019. The next prime is 4031044033. The reversal of 4031044020 is 204401304.

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 = 4031043984 and 4031044002.

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, 179166 + ... + 200405.

It is an arithmetic number, because the mean of its divisors is an integer number (172705260).

Almost surely, 2^4031044020 is an apocalyptic number.

It is an amenable number.

4031044020 is an abundant number, since it is smaller than the sum of its proper divisors (8403734700).

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

4031044020 is a wasteful number, since it uses less digits than its factorization.

4031044020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379645 (or 379640 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4031044020 is about 63490.5033843645. The cubic root of 4031044020 is about 1591.4970829012.

Adding to 4031044020 its reverse (204401304), we get a palindrome (4235445324).

The spelling of 4031044020 in words is "four billion, thirty-one million, forty-four thousand, twenty".