7428288276 has 48 divisors (see below), whose sum is σ = 19779036480. Its totient is φ = 2409173280.

The previous prime is 7428288253. The next prime is 7428288277. The reversal of 7428288276 is 6728828247.

7428288276 is a `hidden beast` number, since 74 + 28 + 288 + 276 = 666.

It is a super-2 number, since 2×7428288276² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7428288277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 925470 + ... + 933461.

It is an arithmetic number, because the mean of its divisors is an integer number (412063260).

Almost surely, 2^7428288276 is an apocalyptic number.

It is an amenable number.

7428288276 is an abundant number, since it is smaller than the sum of its proper divisors (12350748204).

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

7428288276 is a wasteful number, since it uses less digits than its factorization.

7428288276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858981 (or 1858973 counting only the distinct ones).

The product of its digits is 4816896, while the sum is 54.

The square root of 7428288276 is about 86187.5180986203. The cubic root of 7428288276 is about 1951.1751212846.

The spelling of 7428288276 in words is "seven billion, four hundred twenty-eight million, two hundred eighty-eight thousand, two hundred seventy-six".