42736438432 has 12 divisors (see below), whose sum is σ = 84137363226. Its totient is φ = 21368219200.

The previous prime is 42736438373. The next prime is 42736438441. The reversal of 42736438432 is 23483463724.

It can be written as a sum of positive squares in only one way, i.e., 38823185296 + 3913253136 = 197036^2 + 62556^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667756819 + ... + 667756882.

Almost surely, 2^42736438432 is an apocalyptic number.

It is an amenable number.

42736438432 is a deficient number, since it is larger than the sum of its proper divisors (41400924794).

42736438432 is a wasteful number, since it uses less digits than its factorization.

42736438432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335513711 (or 1335513703 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 46.

The spelling of 42736438432 in words is "forty-two billion, seven hundred thirty-six million, four hundred thirty-eight thousand, four hundred thirty-two".