545515120442402 has 64 divisors (see below), whose sum is σ = 958281380179200. Its totient is φ = 230139308206080.

The previous prime is 545515120442381. The next prime is 545515120442429. The reversal of 545515120442402 is 204244021515545.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158809124 + ... + 162207792.

It is an arithmetic number, because the mean of its divisors is an integer number (14973146565300).

Almost surely, 2^{545515120442402} is an apocalyptic number.

545515120442402 is a deficient number, since it is larger than the sum of its proper divisors (412766259736798).

545515120442402 is a wasteful number, since it uses less digits than its factorization.

545515120442402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404651.

The product of its (nonzero) digits is 1280000, while the sum is 44.

Adding to 545515120442402 its reverse (204244021515545), we get a palindrome (749759141957947).

The spelling of 545515120442402 in words is "five hundred forty-five trillion, five hundred fifteen billion, one hundred twenty million, four hundred forty-two thousand, four hundred two".