545974626479544 has 48 divisors (see below), whose sum is σ = 1478922462337320. Its totient is φ = 181961858185920.

The previous prime is 545974626479501. The next prime is 545974626479551. The reversal of 545974626479544 is 445974626479545.

545974626479544 is a `hidden beast` number, since 5 + 4 + 5 + 9 + 7 + 4 + 6 + 2 + 64 + 7 + 9 + 544 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 617971627 + ... + 618854490.

Almost surely, 2^{545974626479544} is an apocalyptic number.

It is an amenable number.

545974626479544 is an abundant number, since it is smaller than the sum of its proper divisors (932947835857776).

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

545974626479544 is a wasteful number, since it uses less digits than its factorization.

545974626479544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236832260 (or 1236832253 counting only the distinct ones).

The product of its digits is 36578304000, while the sum is 81.

Subtracting from 545974626479544 its reverse (445974626479545), we obtain a palindrome (99999999999999).

The spelling of 545974626479544 in words is "five hundred forty-five trillion, nine hundred seventy-four billion, six hundred twenty-six million, four hundred seventy-nine thousand, five hundred forty-four".