42544663056 has 120 divisors (see below), whose sum is σ = 138381946560. Its totient is φ = 11949573888.

The previous prime is 42544663001. The next prime is 42544663127. The reversal of 42544663056 is 65036644524.

It is a happy number.

42544663056 is a `hidden beast` number, since 4 + 2 + 5 + 4 + 4 + 6 + 630 + 5 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 298215 + ... + 417158.

It is an arithmetic number, because the mean of its divisors is an integer number (1153182888).

Almost surely, 2^42544663056 is an apocalyptic number.

It is an amenable number.

42544663056 is an abundant number, since it is smaller than the sum of its proper divisors (95837283504).

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

42544663056 is a wasteful number, since it uses less digits than its factorization.

42544663056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715453 (or 715444 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

It can be divided in two parts, 42544 and 663056, that added together give a square (705600 = 840²).

The spelling of 42544663056 in words is "forty-two billion, five hundred forty-four million, six hundred sixty-three thousand, fifty-six".