42420592 has 20 divisors (see below), whose sum is σ = 83318080. Its totient is φ = 20919168.

The previous prime is 42420589. The next prime is 42420607. The reversal of 42420592 is 29502424.

It is a self number, because there is not a number n which added to its sum of digits gives 42420592.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16992 + ... + 19327.

It is an arithmetic number, because the mean of its divisors is an integer number (4165904).

Almost surely, 2^42420592 is an apocalyptic number.

It is an amenable number.

42420592 is a deficient number, since it is larger than the sum of its proper divisors (40897488).

42420592 is a wasteful number, since it uses less digits than its factorization.

42420592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36400 (or 36394 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 42420592 is about 6513.1092421362. The cubic root of 42420592 is about 348.7591214753.

The spelling of 42420592 in words is "forty-two million, four hundred twenty thousand, five hundred ninety-two".