42280556 has 6 divisors (see below), whose sum is σ = 73990980. Its totient is φ = 21140276.

The previous prime is 42280541. The next prime is 42280597. The reversal of 42280556 is 65508224.

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 as a sum of consecutive naturals, namely, 5285066 + ... + 5285073.

It is an arithmetic number, because the mean of its divisors is an integer number (12331830).

Almost surely, 2^42280556 is an apocalyptic number.

It is an amenable number.

42280556 is a deficient number, since it is larger than the sum of its proper divisors (31710424).

42280556 is a wasteful number, since it uses less digits than its factorization.

42280556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10570143 (or 10570141 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 42280556 is about 6502.3500367175. The cubic root of 42280556 is about 348.3749317068.

The spelling of 42280556 in words is "forty-two million, two hundred eighty thousand, five hundred fifty-six".