42450223608 has 256 divisors, whose sum is σ = 133002777600. Its totient is φ = 12447198720.

The previous prime is 42450223601. The next prime is 42450223657. The reversal of 42450223608 is 80632205424.

42450223608 is a `hidden beast` number, since 4 + 2 + 45 + 0 + 2 + 2 + 3 + 608 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42450223601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19826218 + ... + 19828358.

It is an arithmetic number, because the mean of its divisors is an integer number (519542100).

Almost surely, 2^42450223608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42450223608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66501388800).

42450223608 is an abundant number, since it is smaller than the sum of its proper divisors (90552553992).

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

42450223608 is a wasteful number, since it uses less digits than its factorization.

42450223608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499 (or 2489 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 42450223608 in words is "forty-two billion, four hundred fifty million, two hundred twenty-three thousand, six hundred eight".