42643465992 has 96 divisors (see below), whose sum is σ = 122328231480. Its totient is φ = 13373767680.

The previous prime is 42643465939. The next prime is 42643466027. The reversal of 42643465992 is 29956434624.

42643465992 is a `hidden beast` number, since 4 + 2 + 6 + 4 + 3 + 46 + 599 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 42628209156 + 15256836 = 206466^2 + 3906^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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, 6303892 + ... + 6310652.

Almost surely, 2^42643465992 is an apocalyptic number.

It is an amenable number.

42643465992 is an abundant number, since it is smaller than the sum of its proper divisors (79684765488).

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

42643465992 is a wasteful number, since it uses less digits than its factorization.

42643465992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11943 (or 11936 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 54.

The spelling of 42643465992 in words is "forty-two billion, six hundred forty-three million, four hundred sixty-five thousand, nine hundred ninety-two".