542216987280 has 100 divisors (see below), whose sum is σ = 1883199947772. Its totient is φ = 144591194880.

The previous prime is 542216987251. The next prime is 542216987281. The reversal of 542216987280 is 82789612245.

542216987280 is a `hidden beast` number, since 5 + 4 + 221 + 69 + 87 + 280 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 91729025424 + 450487961856 = 302868^2 + 671184^2 .

It is a super-2 number, since 2×542216987280² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (542216987281) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41831251 + ... + 41844210.

Almost surely, 2^542216987280 is an apocalyptic number.

It is an amenable number.

542216987280 is an abundant number, since it is smaller than the sum of its proper divisors (1340982960492).

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

542216987280 is a wasteful number, since it uses less digits than its factorization.

542216987280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83675486 (or 83675471 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 542216987280 in words is "five hundred forty-two billion, two hundred sixteen million, nine hundred eighty-seven thousand, two hundred eighty".