42587450 has 12 divisors (see below), whose sum is σ = 79212750. Its totient is φ = 17034960.

The previous prime is 42587443. The next prime is 42587471. The reversal of 42587450 is 5478524.

42587450 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 3 ways, for example, as 40081561 + 2505889 = 6331^2 + 1583^2 .

It is a zygodrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 42587450.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 425825 + ... + 425924.

Almost surely, 2^42587450 is an apocalyptic number.

42587450 is a deficient number, since it is larger than the sum of its proper divisors (36625300).

42587450 is a wasteful number, since it uses less digits than its factorization.

42587450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851761 (or 851756 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 42587450 is about 6525.9060673595. The cubic root of 42587450 is about 349.2157952553.

The spelling of 42587450 in words is "forty-two million, five hundred eighty-seven thousand, four hundred fifty".