42074720256 has 48 divisors (see below), whose sum is σ = 112171878000. Its totient is φ = 14024904704.

The previous prime is 42074720251. The next prime is 42074720257. The reversal of 42074720256 is 65202747024.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (42074720251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3417906 + ... + 3430193.

It is an arithmetic number, because the mean of its divisors is an integer number (2336914125).

Almost surely, 2^42074720256 is an apocalyptic number.

It is an amenable number.

42074720256 is an abundant number, since it is smaller than the sum of its proper divisors (70097157744).

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

42074720256 is an equidigital number, since it uses as much as digits as its factorization.

42074720256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6848124 (or 6848104 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 39.

The spelling of 42074720256 in words is "forty-two billion, seventy-four million, seven hundred twenty thousand, two hundred fifty-six".