7501045640 has 32 divisors (see below), whose sum is σ = 18411658560. Its totient is φ = 2727652800.

The previous prime is 7501045589. The next prime is 7501045667. The reversal of 7501045640 is 465401057.

It is a junction number, because it is equal to n+sod(n) for n = 7501045597 and 7501045606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8523476 + ... + 8524355.

It is an arithmetic number, because the mean of its divisors is an integer number (575364330).

Almost surely, 2^7501045640 is an apocalyptic number.

It is an amenable number.

7501045640 is an abundant number, since it is smaller than the sum of its proper divisors (10910612920).

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

7501045640 is a wasteful number, since it uses less digits than its factorization.

7501045640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17047853 (or 17047849 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 7501045640 is about 86608.5771733955. The cubic root of 7501045640 is about 1957.5247839617.

Adding to 7501045640 its reverse (465401057), we get a palindrome (7966446697).

The spelling of 7501045640 in words is "seven billion, five hundred one million, forty-five thousand, six hundred forty".