75480134544 has 60 divisors (see below), whose sum is σ = 211258686912. Its totient is φ = 25157764800.

The previous prime is 75480134537. The next prime is 75480134621. The reversal of 75480134544 is 44543108457.

75480134544 is a `hidden beast` number, since 75 + 4 + 8 + 0 + 1 + 34 + 544 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 75480134544.

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 11 ways as a sum of consecutive naturals, for example, 2495029 + ... + 2525099.

Almost surely, 2^75480134544 is an apocalyptic number.

It is an amenable number.

75480134544 is an abundant number, since it is smaller than the sum of its proper divisors (135778552368).

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

75480134544 is a wasteful number, since it uses less digits than its factorization.

75480134544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47516 (or 47507 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

It can be divided in two parts, 7548013 and 4544, that added together give a palindrome (7552557).

The spelling of 75480134544 in words is "seventy-five billion, four hundred eighty million, one hundred thirty-four thousand, five hundred forty-four".