42859450 has 24 divisors (see below), whose sum is σ = 80549532. Its totient is φ = 16965120.

The previous prime is 42859423. The next prime is 42859469. The reversal of 42859450 is 5495824.

It can be written as a sum of positive squares in 6 ways, for example, as 30349081 + 12510369 = 5509^2 + 3537^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 432 + ... + 9268.

Almost surely, 2^42859450 is an apocalyptic number.

42859450 is a deficient number, since it is larger than the sum of its proper divisors (37690082).

42859450 is a wasteful number, since it uses less digits than its factorization.

42859450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8946 (or 8941 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 42859450 is about 6546.7129156547. The cubic root of 42859450 is about 349.9576819584.

The spelling of 42859450 in words is "forty-two million, eight hundred fifty-nine thousand, four hundred fifty".