42738090884 has 6 divisors (see below), whose sum is σ = 74791659054. Its totient is φ = 21369045440.

The previous prime is 42738090847. The next prime is 42738090907. The reversal of 42738090884 is 48809083724.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 29019122500 + 13718968384 = 170350^2 + 117128^2 .

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 as a sum of consecutive naturals, namely, 5342261357 + ... + 5342261364.

It is an arithmetic number, because the mean of its divisors is an integer number (12465276509).

Almost surely, 2^42738090884 is an apocalyptic number.

It is an amenable number.

42738090884 is a deficient number, since it is larger than the sum of its proper divisors (32053568170).

42738090884 is a wasteful number, since it uses less digits than its factorization.

42738090884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10684522725 (or 10684522723 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 42738090884 in words is "forty-two billion, seven hundred thirty-eight million, ninety thousand, eight hundred eighty-four".