42442301616256 has 64 divisors (see below), whose sum is σ = 89015396328000. Its totient is φ = 20101489099776.

The previous prime is 42442301616251. The next prime is 42442301616277. The reversal of 42442301616256 is 65261610324424.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (42442301616251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16581645 + ... + 18969331.

It is an arithmetic number, because the mean of its divisors is an integer number (1390865567625).

Almost surely, 2^{42442301616256} is an apocalyptic number.

It is an amenable number.

42442301616256 is an abundant number, since it is smaller than the sum of its proper divisors (46573094711744).

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

42442301616256 is a wasteful number, since it uses less digits than its factorization.

42442301616256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395029 (or 2395017 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 42442301616256 in words is "forty-two trillion, four hundred forty-two billion, three hundred one million, six hundred sixteen thousand, two hundred fifty-six".