42738404018 has 16 divisors (see below), whose sum is σ = 65801828736. Its totient is φ = 20806534560.

The previous prime is 42738404003. The next prime is 42738404021. The reversal of 42738404018 is 81040483724.

It is a happy number.

42738404018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476846 + ... + 559337.

It is an arithmetic number, because the mean of its divisors is an integer number (4112614296).

Almost surely, 2^42738404018 is an apocalyptic number.

42738404018 is a deficient number, since it is larger than the sum of its proper divisors (23063424718).

42738404018 is a wasteful number, since it uses less digits than its factorization.

42738404018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036729.

The product of its (nonzero) digits is 172032, while the sum is 41.

The spelling of 42738404018 in words is "forty-two billion, seven hundred thirty-eight million, four hundred four thousand, eighteen".