42943290444 has 36 divisors (see below), whose sum is σ = 108560983440. Its totient is φ = 14313126240.

The previous prime is 42943290421. The next prime is 42943290463. The reversal of 42943290444 is 44409234924.

42943290444 is a `hidden beast` number, since 4 + 2 + 94 + 32 + 90 + 444 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 42943290444.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 397942 + ... + 494210.

Almost surely, 2^42943290444 is an apocalyptic number.

It is an amenable number.

42943290444 is an abundant number, since it is smaller than the sum of its proper divisors (65617692996).

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

42943290444 is a wasteful number, since it uses less digits than its factorization.

42943290444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108670 (or 108665 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 42943290444 in words is "forty-two billion, nine hundred forty-three million, two hundred ninety thousand, four hundred forty-four".