42243656 has 32 divisors (see below), whose sum is σ = 97487040. Its totient is φ = 16711488.

The previous prime is 42243637. The next prime is 42243667. The reversal of 42243656 is 65634224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28286 + ... + 29741.

It is an arithmetic number, because the mean of its divisors is an integer number (3046470).

Almost surely, 2^42243656 is an apocalyptic number.

It is an amenable number.

42243656 is an abundant number, since it is smaller than the sum of its proper divisors (55243384).

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

42243656 is a wasteful number, since it uses less digits than its factorization.

42243656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58053 (or 58049 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 42243656 is about 6499.5119816799. The cubic root of 42243656 is about 348.2735551110.

The spelling of 42243656 in words is "forty-two million, two hundred forty-three thousand, six hundred fifty-six".