42156362 has 8 divisors (see below), whose sum is σ = 66954276. Its totient is φ = 19838272.

The previous prime is 42156349. The next prime is 42156403. The reversal of 42156362 is 26365124.

It can be written as a sum of positive squares in 2 ways, for example, as 38427601 + 3728761 = 6199^2 + 1931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619913 + ... + 619980.

Almost surely, 2^42156362 is an apocalyptic number.

42156362 is a deficient number, since it is larger than the sum of its proper divisors (24797914).

42156362 is a wasteful number, since it uses less digits than its factorization.

42156362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239912.

The product of its digits is 8640, while the sum is 29.

The square root of 42156362 is about 6492.7930815636. The cubic root of 42156362 is about 348.0334941558.

The spelling of 42156362 in words is "forty-two million, one hundred fifty-six thousand, three hundred sixty-two".