42530184776 has 8 divisors (see below), whose sum is σ = 79744096470. Its totient is φ = 21265092384.

The previous prime is 42530184773. The next prime is 42530184793. The reversal of 42530184776 is 67748103524.

It can be written as a sum of positive squares in only one way, i.e., 40854919876 + 1675264900 = 202126^2 + 40930^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 42530184776.

It is not an unprimeable number, because it can be changed into a prime (42530184773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2658136541 + ... + 2658136556.

Almost surely, 2^42530184776 is an apocalyptic number.

It is an amenable number.

42530184776 is a deficient number, since it is larger than the sum of its proper divisors (37213911694).

42530184776 is a wasteful number, since it uses less digits than its factorization.

42530184776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316273103 (or 5316273099 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 42530184776 in words is "forty-two billion, five hundred thirty million, one hundred eighty-four thousand, seven hundred seventy-six".