42255716 has 6 divisors (see below), whose sum is σ = 73947510. Its totient is φ = 21127856.

The previous prime is 42255701. The next prime is 42255749. The reversal of 42255716 is 61755224.

It can be written as a sum of positive squares in only one way, i.e., 25000000 + 17255716 = 5000^2 + 4154^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5281961 + ... + 5281968.

It is an arithmetic number, because the mean of its divisors is an integer number (12324585).

Almost surely, 2^42255716 is an apocalyptic number.

It is an amenable number.

42255716 is a deficient number, since it is larger than the sum of its proper divisors (31691794).

42255716 is a wasteful number, since it uses less digits than its factorization.

42255716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10563933 (or 10563931 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 42255716 is about 6500.4396774372. The cubic root of 42255716 is about 348.3066944416.

The spelling of 42255716 in words is "forty-two million, two hundred fifty-five thousand, seven hundred sixteen".