542818657020080 has 120 divisors (see below), whose sum is σ = 1471045003902000. Its totient is φ = 185736288729600.

The previous prime is 542818657019987. The next prime is 542818657020137. The reversal of 542818657020080 is 80020756818245.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 542818657019998 and 542818657020025.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136795571 + ... + 140707730.

It is an arithmetic number, because the mean of its divisors is an integer number (12258708365850).

Almost surely, 2^{542818657020080} is an apocalyptic number.

It is an amenable number.

542818657020080 is an abundant number, since it is smaller than the sum of its proper divisors (928226346881920).

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

542818657020080 is a wasteful number, since it uses less digits than its factorization.

542818657020080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277503827 (or 277503814 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 56.

The spelling of 542818657020080 in words is "five hundred forty-two trillion, eight hundred eighteen billion, six hundred fifty-seven million, twenty thousand, eighty".