42851460812 has 24 divisors (see below), whose sum is σ = 76036865520. Its totient is φ = 21128506560.

The previous prime is 42851460811. The next prime is 42851460851. The reversal of 42851460812 is 21806415824.

It is a self number, because there is not a number n which added to its sum of digits gives 42851460812.

It is not an unprimeable number, because it can be changed into a prime (42851460811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140903 + ... + 324894.

It is an arithmetic number, because the mean of its divisors is an integer number (3168202730).

Almost surely, 2^42851460812 is an apocalyptic number.

It is an amenable number.

42851460812 is a deficient number, since it is larger than the sum of its proper divisors (33185404708).

42851460812 is a wasteful number, since it uses less digits than its factorization.

42851460812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466121 (or 466119 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The spelling of 42851460812 in words is "forty-two billion, eight hundred fifty-one million, four hundred sixty thousand, eight hundred twelve".