42305656 has 32 divisors (see below), whose sum is σ = 84367440. Its totient is φ = 19819008.

The previous prime is 42305651. The next prime is 42305657. The reversal of 42305656 is 65650324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42305651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37111 + ... + 38233.

Almost surely, 2^42305656 is an apocalyptic number.

It is an amenable number.

42305656 is a deficient number, since it is larger than the sum of its proper divisors (42061784).

42305656 is a wasteful number, since it uses less digits than its factorization.

42305656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423 (or 1419 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 42305656 is about 6504.2798217789. The cubic root of 42305656 is about 348.4438560686.

The spelling of 42305656 in words is "forty-two million, three hundred five thousand, six hundred fifty-six".