42789475008 has 336 divisors, whose sum is σ = 150571200000. Its totient is φ = 11581097472.

The previous prime is 42789474961. The next prime is 42789475009. The reversal of 42789475008 is 80057498724.

It is a happy number.

42789475008 is a `hidden beast` number, since 42 + 7 + 8 + 94 + 7 + 500 + 8 = 666.

42789475008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (336).

It is not an unprimeable number, because it can be changed into a prime (42789475009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3748093 + ... + 3759491.

Almost surely, 2^42789475008 is an apocalyptic number.

42789475008 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42789475008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75285600000).

42789475008 is an abundant number, since it is smaller than the sum of its proper divisors (107781724992).

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

42789475008 is a wasteful number, since it uses less digits than its factorization.

42789475008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11457 (or 11430 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 42789475008 in words is "forty-two billion, seven hundred eighty-nine million, four hundred seventy-five thousand, eight".