42100332 has 12 divisors (see below), whose sum is σ = 98234136. Its totient is φ = 14033440.

The previous prime is 42100307. The next prime is 42100337. The reversal of 42100332 is 23300124.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (42100337) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1754169 + ... + 1754192.

It is an arithmetic number, because the mean of its divisors is an integer number (8186178).

Almost surely, 2^42100332 is an apocalyptic number.

It is an amenable number.

42100332 is an abundant number, since it is smaller than the sum of its proper divisors (56133804).

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

42100332 is a wasteful number, since it uses less digits than its factorization.

42100332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508368 (or 3508366 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 42100332 is about 6488.4768628701. The cubic root of 42100332 is about 347.8792354119.

Adding to 42100332 its reverse (23300124), we get a palindrome (65400456).

The spelling of 42100332 in words is "forty-two million, one hundred thousand, three hundred thirty-two".