42018463944 has 48 divisors (see below), whose sum is σ = 116575624620. Its totient is φ = 13664540160.

The previous prime is 42018463931. The next prime is 42018463973. The reversal of 42018463944 is 44936481024.

42018463944 is a `hidden beast` number, since 4 + 2 + 0 + 1 + 8 + 4 + 639 + 4 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 41750748900 + 267715044 = 204330^2 + 16362^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42018463944.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7113997 + ... + 7119900.

Almost surely, 2^42018463944 is an apocalyptic number.

It is an amenable number.

42018463944 is an abundant number, since it is smaller than the sum of its proper divisors (74557160676).

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

42018463944 is a wasteful number, since it uses less digits than its factorization.

42018463944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14233950 (or 14233943 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 42018463944 in words is "forty-two billion, eighteen million, four hundred sixty-three thousand, nine hundred forty-four".