42280068 has 12 divisors (see below), whose sum is σ = 98653520. Its totient is φ = 14093352.

The previous prime is 42280039. The next prime is 42280079. The reversal of 42280068 is 86008224.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1761658 + ... + 1761681.

Almost surely, 2^42280068 is an apocalyptic number.

It is an amenable number.

42280068 is an abundant number, since it is smaller than the sum of its proper divisors (56373452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42280068 is a wasteful number, since it uses less digits than its factorization.

42280068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3523346 (or 3523344 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 42280068 is about 6502.3125117146. The cubic root of 42280068 is about 348.3735913931.

The spelling of 42280068 in words is "forty-two million, two hundred eighty thousand, sixty-eight".