42102256 has 40 divisors (see below), whose sum is σ = 93602144. Its totient is φ = 17971200.

The previous prime is 42102199. The next prime is 42102257. The reversal of 42102256 is 65220124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42102257) 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, 34456 + ... + 35656.

Almost surely, 2^42102256 is an apocalyptic number.

It is an amenable number.

42102256 is an abundant number, since it is smaller than the sum of its proper divisors (51499888).

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

42102256 is a wasteful number, since it uses less digits than its factorization.

42102256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529 (or 1523 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 42102256 is about 6488.6251240151. The cubic root of 42102256 is about 347.8845347324.

The spelling of 42102256 in words is "forty-two million, one hundred two thousand, two hundred fifty-six".