42738009472 has 32 divisors (see below), whose sum is σ = 85456375200. Its totient is φ = 21290135040.

The previous prime is 42738009467. The next prime is 42738009473. The reversal of 42738009472 is 27490083724.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42738009473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581347 + ... + 650722.

It is an arithmetic number, because the mean of its divisors is an integer number (2670511725).

Almost surely, 2^42738009472 is an apocalyptic number.

It is an amenable number.

42738009472 is a deficient number, since it is larger than the sum of its proper divisors (42718365728).

42738009472 is a wasteful number, since it uses less digits than its factorization.

42738009472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232354 (or 1232342 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 42738009472 in words is "forty-two billion, seven hundred thirty-eight million, nine thousand, four hundred seventy-two".