42299860 has 24 divisors (see below), whose sum is σ = 89074440. Its totient is φ = 16873344.

The previous prime is 42299827. The next prime is 42299867. The reversal of 42299860 is 6899224.

It can be written as a sum of positive squares in 4 ways, for example, as 1926544 + 40373316 = 1388^2 + 6354^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42299867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5062 + ... + 10498.

It is an arithmetic number, because the mean of its divisors is an integer number (3711435).

Almost surely, 2^42299860 is an apocalyptic number.

It is an amenable number.

42299860 is an abundant number, since it is smaller than the sum of its proper divisors (46774580).

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

42299860 is a wasteful number, since it uses less digits than its factorization.

42299860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5835 (or 5833 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 42299860 is about 6503.8342537306. The cubic root of 42299860 is about 348.4279427289.

The spelling of 42299860 in words is "forty-two million, two hundred ninety-nine thousand, eight hundred sixty".