42243251056 has 80 divisors (see below), whose sum is σ = 86243792544. Its totient is φ = 20023345152.

The previous prime is 42243251009. The next prime is 42243251081. The reversal of 42243251056 is 65015234224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3581040 + ... + 3592816.

Almost surely, 2^42243251056 is an apocalyptic number.

It is an amenable number.

42243251056 is an abundant number, since it is smaller than the sum of its proper divisors (44000541488).

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

42243251056 is a wasteful number, since it uses less digits than its factorization.

42243251056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11978 (or 11972 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 42243251056 in words is "forty-two billion, two hundred forty-three million, two hundred fifty-one thousand, fifty-six".