7044245540 has 24 divisors (see below), whose sum is σ = 14795067840. Its totient is φ = 2817288288.

The previous prime is 7044245521. The next prime is 7044245543. The reversal of 7044245540 is 455424407.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7044245540.

It is not an unprimeable number, because it can be changed into a prime (7044245543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142049 + ... + 185111.

It is an arithmetic number, because the mean of its divisors is an integer number (616461160).

Almost surely, 2^7044245540 is an apocalyptic number.

It is an amenable number.

7044245540 is an abundant number, since it is smaller than the sum of its proper divisors (7750822300).

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

7044245540 is a wasteful number, since it uses less digits than its factorization.

7044245540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51251 (or 51249 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 35.

The square root of 7044245540 is about 83930.0038127010. The cubic root of 7044245540 is about 1916.9531336745.

Adding to 7044245540 its reverse (455424407), we get a palindrome (7499669947).

The spelling of 7044245540 in words is "seven billion, forty-four million, two hundred forty-five thousand, five hundred forty".