42587044 has 6 divisors (see below), whose sum is σ = 74527334. Its totient is φ = 21293520.

The previous prime is 42587033. The next prime is 42587059. The reversal of 42587044 is 44078524.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 40449600 + 2137444 = 6360^2 + 1462^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5323377 + ... + 5323384.

Almost surely, 2^42587044 is an apocalyptic number.

It is an amenable number.

42587044 is a deficient number, since it is larger than the sum of its proper divisors (31940290).

42587044 is a wasteful number, since it uses less digits than its factorization.

42587044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10646765 (or 10646763 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 42587044 is about 6525.8749604938. The cubic root of 42587044 is about 349.2146855226.

The spelling of 42587044 in words is "forty-two million, five hundred eighty-seven thousand, forty-four".