42247800 has 216 divisors, whose sum is σ = 165391200. Its totient is φ = 9636480.

The previous prime is 42247789. The next prime is 42247813. The reversal of 42247800 is 874224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 87961 + ... + 88439.

It is an arithmetic number, because the mean of its divisors is an integer number (765700).

Almost surely, 2^42247800 is an apocalyptic number.

42247800 is a gapful number since it is divisible by the number (40) 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 42247800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82695600).

42247800 is an abundant number, since it is smaller than the sum of its proper divisors (123143400).

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

42247800 is a wasteful number, since it uses less digits than its factorization.

42247800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 42247800 is about 6499.8307670277. The cubic root of 42247800 is about 348.2849430018.

The spelling of 42247800 in words is "forty-two million, two hundred forty-seven thousand, eight hundred".