42905063072 has 12 divisors (see below), whose sum is σ = 84469342986. Its totient is φ = 21452531520.

The previous prime is 42905063053. The next prime is 42905063077. The reversal of 42905063072 is 27036050924.

It can be written as a sum of positive squares in only one way, i.e., 30191147536 + 12713915536 = 173756^2 + 112756^2 .

It is not an unprimeable number, because it can be changed into a prime (42905063077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670391579 + ... + 670391642.

Almost surely, 2^42905063072 is an apocalyptic number.

It is an amenable number.

42905063072 is a deficient number, since it is larger than the sum of its proper divisors (41564279914).

42905063072 is a wasteful number, since it uses less digits than its factorization.

42905063072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340783231 (or 1340783223 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 42905063072 in words is "forty-two billion, nine hundred five million, sixty-three thousand, seventy-two".