7556223140 has 24 divisors (see below), whose sum is σ = 15993019392. Its totient is φ = 2998689120.

The previous prime is 7556223137. The next prime is 7556223149. The reversal of 7556223140 is 413226557.

It is a self number, because there is not a number n which added to its sum of digits gives 7556223140.

It is not an unprimeable number, because it can be changed into a prime (7556223149) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1484906 + ... + 1489985.

It is an arithmetic number, because the mean of its divisors is an integer number (666375808).

Almost surely, 2^7556223140 is an apocalyptic number.

It is an amenable number.

7556223140 is an abundant number, since it is smaller than the sum of its proper divisors (8436796252).

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

7556223140 is a wasteful number, since it uses less digits than its factorization.

7556223140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975027 (or 2975025 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 7556223140 is about 86926.5387554342. The cubic root of 7556223140 is about 1962.3128967633.

Adding to 7556223140 its reverse (413226557), we get a palindrome (7969449697).

The spelling of 7556223140 in words is "seven billion, five hundred fifty-six million, two hundred twenty-three thousand, one hundred forty".