7144451020 has 48 divisors (see below), whose sum is σ = 17737957440. Its totient is φ = 2365058304.

The previous prime is 7144450993. The next prime is 7144451029. The reversal of 7144451020 is 201544417.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 7144451020.

It is not an unprimeable number, because it can be changed into a prime (7144451029) 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, 875799 + ... + 883918.

It is an arithmetic number, because the mean of its divisors is an integer number (369540780).

Almost surely, 2^7144451020 is an apocalyptic number.

7144451020 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7144451020 is an abundant number, since it is smaller than the sum of its proper divisors (10593506420).

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

7144451020 is a wasteful number, since it uses less digits than its factorization.

7144451020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759762 (or 1759760 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 7144451020 is about 84524.8544512204. The cubic root of 7144451020 is about 1926.0000219258. Note that the first 4 decimals are identical.

Adding to 7144451020 its reverse (201544417), we get a palindrome (7345995437).

The spelling of 7144451020 in words is "seven billion, one hundred forty-four million, four hundred fifty-one thousand, twenty".