42064250 has 32 divisors (see below), whose sum is σ = 79494480. Its totient is φ = 16665600.

The previous prime is 42064249. The next prime is 42064259. The reversal of 42064250 is 5246024.

42064250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 3636649 + 38427601 = 1907^2 + 6199^2 .

It is a super-2 number, since 2×42064250² = 3538802256125000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42064259) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 27506 + ... + 28994.

Almost surely, 2^42064250 is an apocalyptic number.

42064250 is a deficient number, since it is larger than the sum of its proper divisors (37430230).

42064250 is a wasteful number, since it uses less digits than its factorization.

42064250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619 (or 1609 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 42064250 is about 6485.6957992185. The cubic root of 42064250 is about 347.7798239534.

The spelling of 42064250 in words is "forty-two million, sixty-four thousand, two hundred fifty".