42651592 has 16 divisors (see below), whose sum is σ = 80046540. Its totient is φ = 21305856.

The previous prime is 42651569. The next prime is 42651613. The reversal of 42651592 is 29515624.

It is a happy number.

42651592 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 2 ways, for example, as 38514436 + 4137156 = 6206^2 + 2034^2 .

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 3 ways as a sum of consecutive naturals, for example, 10708 + ... + 14140.

Almost surely, 2^42651592 is an apocalyptic number.

It is an amenable number.

42651592 is a deficient number, since it is larger than the sum of its proper divisors (37394948).

42651592 is a wasteful number, since it uses less digits than its factorization.

42651592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4992 (or 4988 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 42651592 is about 6530.8186316878. The cubic root of 42651592 is about 349.3910281272.

The spelling of 42651592 in words is "forty-two million, six hundred fifty-one thousand, five hundred ninety-two".