7540675840 has 36 divisors (see below), whose sum is σ = 18062278164. Its totient is φ = 3016269824.

The previous prime is 7540675837. The next prime is 7540675853. The reversal of 7540675840 is 485760457.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4077588736 + 3463087104 = 63856^2 + 58848^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2944297 + ... + 2946856.

It is an arithmetic number, because the mean of its divisors is an integer number (501729949).

Almost surely, 2^7540675840 is an apocalyptic number.

It is an amenable number.

7540675840 is an abundant number, since it is smaller than the sum of its proper divisors (10521602324).

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

7540675840 is an equidigital number, since it uses as much as digits as its factorization.

7540675840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5891174 (or 5891160 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 46.

The square root of 7540675840 is about 86837.0648974273. The cubic root of 7540675840 is about 1960.9661209537.

The spelling of 7540675840 in words is "seven billion, five hundred forty million, six hundred seventy-five thousand, eight hundred forty".