42734423788 has 24 divisors (see below), whose sum is σ = 85535744000. Its totient is φ = 18300418128.

The previous prime is 42734423783. The next prime is 42734423789. The reversal of 42734423788 is 88732443724.

It is not an unprimeable number, because it can be changed into a prime (42734423783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560838 + ... + 632461.

Almost surely, 2^42734423788 is an apocalyptic number.

It is an amenable number.

42734423788 is an abundant number, since it is smaller than the sum of its proper divisors (42801320212).

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

42734423788 is a wasteful number, since it uses less digits than its factorization.

42734423788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194589 (or 1194587 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 52.

The spelling of 42734423788 in words is "forty-two billion, seven hundred thirty-four million, four hundred twenty-three thousand, seven hundred eighty-eight".