42050100 has 36 divisors (see below), whose sum is σ = 121665824. Its totient is φ = 11213280.

The previous prime is 42050089. The next prime is 42050119. The reversal of 42050100 is 105024.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69784 + ... + 70383.

Almost surely, 2^42050100 is an apocalyptic number.

It is an amenable number.

42050100 is an abundant number, since it is smaller than the sum of its proper divisors (79615724).

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

42050100 is a wasteful number, since it uses less digits than its factorization.

42050100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140184 (or 140177 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 42050100 is about 6484.6048453240. The cubic root of 42050100 is about 347.7408230091.

Adding to 42050100 its reverse (105024), we get a palindrome (42155124).

The spelling of 42050100 in words is "forty-two million, fifty thousand, one hundred".