42201445656 has 64 divisors (see below), whose sum is σ = 109187100000. Its totient is φ = 13576421376.

The previous prime is 42201445621. The next prime is 42201445703. The reversal of 42201445656 is 65654410224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1860270 + ... + 1882818.

Almost surely, 2^42201445656 is an apocalyptic number.

It is an amenable number.

42201445656 is an abundant number, since it is smaller than the sum of its proper divisors (66985654344).

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

42201445656 is a wasteful number, since it uses less digits than its factorization.

42201445656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25276 (or 25272 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 42201445656 in words is "forty-two billion, two hundred one million, four hundred forty-five thousand, six hundred fifty-six".