42050502 has 80 divisors (see below), whose sum is σ = 104160672. Its totient is φ = 12597120.

The previous prime is 42050497. The next prime is 42050513. The reversal of 42050502 is 20505024.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 86103 + ... + 86589.

Almost surely, 2^42050502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42050502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52080336).

42050502 is an abundant number, since it is smaller than the sum of its proper divisors (62110170).

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

42050502 is a wasteful number, since it uses less digits than its factorization.

42050502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 42050502 is about 6484.6358417416. The cubic root of 42050502 is about 347.7419311426.

Adding to 42050502 its reverse (20505024), we get a palindrome (62555526).

The spelling of 42050502 in words is "forty-two million, fifty thousand, five hundred two".