7152542280 has 96 divisors (see below), whose sum is σ = 25033914360. Its totient is φ = 1760624640.

The previous prime is 7152542219. The next prime is 7152542317. The reversal of 7152542280 is 822452517.

It is a happy number.

7152542280 is a `hidden beast` number, since 7 + 152 + 5 + 422 + 80 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6581427876 + 571114404 = 81126^2 + 23898^2 .

It is a super-2 number, since 2×7152542280² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 759481 + ... + 768840.

Almost surely, 2^7152542280 is an apocalyptic number.

It is an amenable number.

7152542280 is an abundant number, since it is smaller than the sum of its proper divisors (17881372080).

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

7152542280 is a wasteful number, since it uses less digits than its factorization.

7152542280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528351 (or 1528344 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 7152542280 is about 84572.7041071763. The cubic root of 7152542280 is about 1926.7268278342.

Adding to 7152542280 its reverse (822452517), we get a palindrome (7974994797).

The spelling of 7152542280 in words is "seven billion, one hundred fifty-two million, five hundred forty-two thousand, two hundred eighty".