4044045540 has 48 divisors (see below), whose sum is σ = 11350422720. Its totient is φ = 1075831680.

The previous prime is 4044045539. The next prime is 4044045547. The reversal of 4044045540 is 455404404.

It is a happy number.

4044045540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4044045498 and 4044045507.

It is not an unprimeable number, because it can be changed into a prime (4044045547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55291 + ... + 105570.

It is an arithmetic number, because the mean of its divisors is an integer number (236467140).

Almost surely, 2^4044045540 is an apocalyptic number.

It is an amenable number.

4044045540 is an abundant number, since it is smaller than the sum of its proper divisors (7306377180).

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

4044045540 is a wasteful number, since it uses less digits than its factorization.

4044045540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161292 (or 161290 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 4044045540 is about 63592.8104426908. The cubic root of 4044045540 is about 1593.2062906279.

Adding to 4044045540 its reverse (455404404), we get a palindrome (4499449944).

The spelling of 4044045540 in words is "four billion, forty-four million, forty-five thousand, five hundred forty".