42738561326 has 8 divisors (see below), whose sum is σ = 66318457320. Its totient is φ = 20632408888.

The previous prime is 42738561301. The next prime is 42738561329. The reversal of 42738561326 is 62316583724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42738561329) 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, 368435816 + ... + 368435931.

It is an arithmetic number, because the mean of its divisors is an integer number (8289807165).

Almost surely, 2^42738561326 is an apocalyptic number.

42738561326 is a deficient number, since it is larger than the sum of its proper divisors (23579895994).

42738561326 is a wasteful number, since it uses less digits than its factorization.

42738561326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736871778.

The product of its digits is 1451520, while the sum is 47.

The spelling of 42738561326 in words is "forty-two billion, seven hundred thirty-eight million, five hundred sixty-one thousand, three hundred twenty-six".