75450513140 has 24 divisors (see below), whose sum is σ = 158583785472. Its totient is φ = 30153975200.

The previous prime is 75450513137. The next prime is 75450513209. The reversal of 75450513140 is 4131505457.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 75450513140.

It is a congruent number.

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, 1615784 + ... + 1661823.

It is an arithmetic number, because the mean of its divisors is an integer number (6607657728).

Almost surely, 2^75450513140 is an apocalyptic number.

It is an amenable number.

75450513140 is an abundant number, since it is smaller than the sum of its proper divisors (83133272332).

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

75450513140 is a wasteful number, since it uses less digits than its factorization.

75450513140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3278767 (or 3278765 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 75450513140 in words is "seventy-five billion, four hundred fifty million, five hundred thirteen thousand, one hundred forty".