7545620140 has 48 divisors (see below), whose sum is σ = 16083144000. Its totient is φ = 2973116160.

The previous prime is 7545620099. The next prime is 7545620167. The reversal of 7545620140 is 410265457.

It is a junction number, because it is equal to n+sod(n) for n = 7545620096 and 7545620105.

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 15 ways as a sum of consecutive naturals, for example, 2743486 + ... + 2746234.

It is an arithmetic number, because the mean of its divisors is an integer number (335065500).

Almost surely, 2^7545620140 is an apocalyptic number.

It is an amenable number.

7545620140 is an abundant number, since it is smaller than the sum of its proper divisors (8537523860).

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

7545620140 is a wasteful number, since it uses less digits than its factorization.

7545620140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4762 (or 4760 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 7545620140 is about 86865.5290664830. The cubic root of 7545620140 is about 1961.3946186412.

Adding to 7545620140 its reverse (410265457), we get a palindrome (7955885597).

The spelling of 7545620140 in words is "seven billion, five hundred forty-five million, six hundred twenty thousand, one hundred forty".