42404050 has 48 divisors (see below), whose sum is σ = 86010120. Its totient is φ = 15459840.

The previous prime is 42404039. The next prime is 42404083. The reversal of 42404050 is 5040424.

It can be written as a sum of positive squares in 12 ways, for example, as 1814409 + 40589641 = 1347^2 + 6371^2 .

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, 57484 + ... + 58216.

Almost surely, 2^42404050 is an apocalyptic number.

42404050 is an abundant number, since it is smaller than the sum of its proper divisors (43606070).

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

42404050 is a wasteful number, since it uses less digits than its factorization.

42404050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 42404050 is about 6511.8392179169. The cubic root of 42404050 is about 348.7137824613.

Adding to 42404050 its reverse (5040424), we get a palindrome (47444474).

The spelling of 42404050 in words is "forty-two million, four hundred four thousand, fifty".