42003436608 has 504 divisors, whose sum is σ = 147126130944. Its totient is φ = 11408947200.

The previous prime is 42003436589. The next prime is 42003436633. The reversal of 42003436608 is 80663430024.

It is a happy number.

42003436608 is a `hidden beast` number, since 4 + 2 + 0 + 0 + 3 + 43 + 6 + 608 = 666.

It is a tau number, because it is divible by the number of its divisors (504).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 53371191 + ... + 53371977.

Almost surely, 2^42003436608 is an apocalyptic number.

42003436608 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 42003436608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73563065472).

42003436608 is an abundant number, since it is smaller than the sum of its proper divisors (105122694336).

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

42003436608 is a wasteful number, since it uses less digits than its factorization.

42003436608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 42003436608 in words is "forty-two billion, three million, four hundred thirty-six thousand, six hundred eight".