42340100 has 72 divisors (see below), whose sum is σ = 102035136. Its totient is φ = 15120000.

The previous prime is 42340097. The next prime is 42340121. The reversal of 42340100 is 104324.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66785 + ... + 67415.

Almost surely, 2^42340100 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 42340100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51017568).

42340100 is an abundant number, since it is smaller than the sum of its proper divisors (59695036).

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

42340100 is a wasteful number, since it uses less digits than its factorization.

42340100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 42340100 is about 6506.9270781222. The cubic root of 42340100 is about 348.5383946056.

Adding to 42340100 its reverse (104324), we get a palindrome (42444424).

The spelling of 42340100 in words is "forty-two million, three hundred forty thousand, one hundred".