545431252521424 has 40 divisors (see below), whose sum is σ = 1061437034405088. Its totient is φ = 271512037296000.

The previous prime is 545431252521377. The next prime is 545431252521427. The reversal of 545431252521424 is 424125252134545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545431252521427) by changing a digit.

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, 506129379 + ... + 507205885.

Almost surely, 2^{545431252521424} is an apocalyptic number.

It is an amenable number.

545431252521424 is a deficient number, since it is larger than the sum of its proper divisors (516005781883664).

545431252521424 is a wasteful number, since it uses less digits than its factorization.

545431252521424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216243 (or 1216237 counting only the distinct ones).

The product of its digits is 7680000, while the sum is 49.

The spelling of 545431252521424 in words is "five hundred forty-five trillion, four hundred thirty-one billion, two hundred fifty-two million, five hundred twenty-one thousand, four hundred twenty-four".