4445543140 has 48 divisors (see below), whose sum is σ = 9467766000. Its totient is φ = 1753229312.

The previous prime is 4445543101. The next prime is 4445543149. The reversal of 4445543140 is 413455444.

It can be written as a sum of positive squares in 8 ways, for example, as 1212710976 + 3232832164 = 34824^2 + 56858^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4445543096 and 4445543105.

It is not an unprimeable number, because it can be changed into a prime (4445543149) 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, 402816 + ... + 413704.

It is an arithmetic number, because the mean of its divisors is an integer number (197245125).

Almost surely, 2^4445543140 is an apocalyptic number.

It is an amenable number.

4445543140 is an abundant number, since it is smaller than the sum of its proper divisors (5022222860).

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

4445543140 is a wasteful number, since it uses less digits than its factorization.

4445543140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11184 (or 11182 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

The square root of 4445543140 is about 66674.9063741375. The cubic root of 4445543140 is about 1644.2768525369.

Adding to 4445543140 its reverse (413455444), we get a palindrome (4858998584).

The spelling of 4445543140 in words is "four billion, four hundred forty-five million, five hundred forty-three thousand, one hundred forty".