42256052 has 12 divisors (see below), whose sum is σ = 75343716. Its totient is φ = 20729280.

The previous prime is 42256021. The next prime is 42256061. The reversal of 42256052 is 25065224.

It can be written as a sum of positive squares in 2 ways, for example, as 37039396 + 5216656 = 6086^2 + 2284^2 .

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, 99449 + ... + 99872.

It is an arithmetic number, because the mean of its divisors is an integer number (6278643).

Almost surely, 2^42256052 is an apocalyptic number.

It is an amenable number.

42256052 is a deficient number, since it is larger than the sum of its proper divisors (33087664).

42256052 is a wasteful number, since it uses less digits than its factorization.

42256052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199378 (or 199376 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 42256052 is about 6500.4655217915. The cubic root of 42256052 is about 348.3076176361.

The spelling of 42256052 in words is "forty-two million, two hundred fifty-six thousand, fifty-two".