42004250 has 64 divisors (see below), whose sum is σ = 85363200. Its totient is φ = 15422400.

The previous prime is 42004219. The next prime is 42004301. The reversal of 42004250 is 5240024.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175631 + ... + 175869.

It is an arithmetic number, because the mean of its divisors is an integer number (1333800).

Almost surely, 2^42004250 is an apocalyptic number.

42004250 is an abundant number, since it is smaller than the sum of its proper divisors (43358950).

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

42004250 is a wasteful number, since it uses less digits than its factorization.

42004250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 42004250 is about 6481.0685847320. The cubic root of 42004250 is about 347.6143887862.

Adding to 42004250 its reverse (5240024), we get a palindrome (47244274).

The spelling of 42004250 in words is "forty-two million, four thousand, two hundred fifty".