75045452406384 has 40 divisors (see below), whose sum is σ = 193928173552512. Its totient is φ = 25007311468480.

The previous prime is 75045452406383. The next prime is 75045452406443. The reversal of 75045452406384 is 48360425454057.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75045452406383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244824414 + ... + 245130749.

Almost surely, 2^{75045452406384} is an apocalyptic number.

It is an amenable number.

75045452406384 is an abundant number, since it is smaller than the sum of its proper divisors (118882721146128).

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

75045452406384 is a wasteful number, since it uses less digits than its factorization.

75045452406384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489958365 (or 489958359 counting only the distinct ones).

The product of its (nonzero) digits is 64512000, while the sum is 57.

The spelling of 75045452406384 in words is "seventy-five trillion, forty-five billion, four hundred fifty-two million, four hundred six thousand, three hundred eighty-four".