75326644140 has 48 divisors (see below), whose sum is σ = 230088660480. Its totient is φ = 18261004480.

The previous prime is 75326644121. The next prime is 75326644163. The reversal of 75326644140 is 4144662357.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 75326644092 and 75326644101.

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 15 ways as a sum of consecutive naturals, for example, 57064980 + ... + 57066299.

It is an arithmetic number, because the mean of its divisors is an integer number (4793513760).

Almost surely, 2^75326644140 is an apocalyptic number.

It is an amenable number.

75326644140 is an abundant number, since it is smaller than the sum of its proper divisors (154762016340).

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

75326644140 is a wasteful number, since it uses less digits than its factorization.

75326644140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114131302 (or 114131300 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 75326644140 in words is "seventy-five billion, three hundred twenty-six million, six hundred forty-four thousand, one hundred forty".