42249004 has 12 divisors (see below), whose sum is σ = 84498064. Its totient is φ = 18106704.

The previous prime is 42248993. The next prime is 42249017. The reversal of 42249004 is 40094224.

42249004 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 42249004.

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 3 ways as a sum of consecutive naturals, for example, 754419 + ... + 754474.

Almost surely, 2^42249004 is an apocalyptic number.

It is an amenable number.

42249004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42249004 is a wasteful number, since it uses less digits than its factorization.

42249004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508904 (or 1508902 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 42249004 is about 6499.9233841638. The cubic root of 42249004 is about 348.2882515062.

The spelling of 42249004 in words is "forty-two million, two hundred forty-nine thousand, four".