4007020044 has 24 divisors (see below), whose sum is σ = 9405704448. Its totient is φ = 1327674640.

The previous prime is 4007020019. The next prime is 4007020079. The reversal of 4007020044 is 4400207004.

4007020044 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 4007020044.

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, 997752 + ... + 1001759.

It is an arithmetic number, because the mean of its divisors is an integer number (391904352).

Almost surely, 2^4007020044 is an apocalyptic number.

It is an amenable number.

4007020044 is an abundant number, since it is smaller than the sum of its proper divisors (5398684404).

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

4007020044 is a wasteful number, since it uses less digits than its factorization.

4007020044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999685 (or 1999683 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 4007020044 is about 63301.0271954571. The cubic root of 4007020044 is about 1588.3291446780.

Adding to 4007020044 its reverse (4400207004), we get a palindrome (8407227048).

The spelling of 4007020044 in words is "four billion, seven million, twenty thousand, forty-four".