42102200 has 192 divisors, whose sum is σ = 124545600. Its totient is φ = 12902400.

The previous prime is 42102199. The next prime is 42102257. The reversal of 42102200 is 220124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 690170 + ... + 690230.

It is an arithmetic number, because the mean of its divisors is an integer number (648675).

Almost surely, 2^42102200 is an apocalyptic number.

42102200 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 42102200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62272800).

42102200 is an abundant number, since it is smaller than the sum of its proper divisors (82443400).

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

42102200 is a wasteful number, since it uses less digits than its factorization.

42102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 42102200 is about 6488.6208087698. The cubic root of 42102200 is about 347.8843804925.

Adding to 42102200 its reverse (220124), we get a palindrome (42322324).

The spelling of 42102200 in words is "forty-two million, one hundred two thousand, two hundred".