42490350 has 216 divisors, whose sum is σ = 138928608. Its totient is φ = 9273600.

The previous prime is 42490337. The next prime is 42490417. The reversal of 42490350 is 5309424.

42490350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 904027 + ... + 904073.

It is an arithmetic number, because the mean of its divisors is an integer number (643188).

Almost surely, 2^42490350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42490350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69464304).

42490350 is an abundant number, since it is smaller than the sum of its proper divisors (96438258).

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

42490350 is a wasteful number, since it uses less digits than its factorization.

42490350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 42490350 is about 6518.4622419709. The cubic root of 42490350 is about 348.9501876072.

Adding to 42490350 its reverse (5309424), we get a palindrome (47799774).

The spelling of 42490350 in words is "forty-two million, four hundred ninety thousand, three hundred fifty".